| Оборот | — | — | — | — | — | — | — | £2 526 654 | £2 848 510 | £3 269 343 | — | — |
| Прибыль / (убыток) | £379 007 | £366 034 | £386 173 | £387 472 | £449 231 | — | — | £9 | £612 | £666 | — | — |
| Валовая прибыль | — | — | — | — | — | — | — | £1 440 863 | £1 905 058 | £2 048 170 | — | — |
| Операционная прибыль | — | — | — | — | — | — | — | £356 585 | £490 167 | £825 435 | — | — |
| Прочие доходы | — | — | — | — | — | — | — | £0 | £0 | £1 402 | — | — |
| Общие активы | £380 007 | £367 034 | £387 173 | £388 472 | £450 231 | £450 230 | £805 139 | £1 216 120 | £2 590 171 | £1 846 886 | £1 846 886 | £2 992 453 |
| Net Assets Liabilities | — | — | — | — | — | £450 230 | £805 139 | £1 216 120 | £2 224 809 | £2 590 171 | £1 846 886 | £2 992 453 |
| Equity | — | — | — | — | — | £450 230 | £805 139 | £1 216 120 | £2 590 171 | £1 846 886 | £1 846 886 | £2 992 453 |
| Current Assets | £590 075 | £534 491 | £541 152 | £473 043 | £642 415 | £642 416 | £1 026 383 | £962 377 | £2 138 751 | £1 893 296 | £1 581 760 | £2 992 402 |
| Net Current Assets Liabilities | £361 063 | £313 571 | £311 529 | £261 749 | £352 003 | £352 002 | £508 577 | £557 990 | £1 471 792 | £1 584 270 | £957 328 | £2 148 821 |
| Total Assets Less Current Liabilities | £402 919 | £376 568 | £439 548 | £408 720 | £471 669 | £471 668 | £1 088 470 | £1 521 715 | £2 552 270 | £2 605 917 | £1 898 585 | £3 082 486 |
| Cash Bank On Hand | — | — | — | — | — | £3 834 | £338 923 | £72 046 | £1 204 466 | £779 373 | £91 577 | £378 237 |
| Debtors | £414 098 | £302 691 | £367 208 | £297 057 | £490 728 | £490 729 | £478 278 | £582 081 | £534 970 | £764 954 | £1 169 587 | £1 658 239 |
| Other Debtors | — | — | — | — | — | £15 949 | £62 965 | £60 940 | £86 994 | £34 859 | £215 610 | £582 043 |
| Creditors | — | — | — | — | — | £15 000 | £278 083 | £256 376 | £666 959 | £309 026 | £624 432 | £843 581 |
| Trade Creditors Trade Payables | — | — | — | — | — | £202 132 | £363 123 | £232 851 | £213 098 | £103 887 | £375 516 | £189 431 |
| Other Creditors | — | — | — | — | — | £49 129 | £49 129 | £39 243 | £6 142 | £4 245 | £24 170 | £24 170 |
| Amounts Owed To Group Undertakings | — | — | — | — | — | — | — | £4 000 | £4 000 | — | — | — |
| Number Shares Allotted | — | — | 1 000 | — | — | — | — | — | — | — | — | — |
| Par Value Share | — | — | £1 | — | — | — | — | — | — | — | — | — |
| Average Number Employees During Period | — | — | — | — | — | 20 | 27 | 29 | 28 | 24 | 24 | 23 |
| Административные расходы | — | — | — | — | — | — | — | £1 084 278 | £1 522 348 | £1 341 978 | — | — |
| Accrued Liabilities Deferred Income | — | — | — | — | — | £270 | £4 000 | £4 000 | £152 218 | £176 476 | — | — |
| Accumulated Amortisation Impairment Intangible Assets | — | — | — | — | — | £143 767 | £178 006 | £246 647 | £350 841 | £407 951 | £464 107 | £481 597 |
| Accumulated Depreciation Impairment Property Plant Equipment | — | — | — | — | — | £15 719 | £45 492 | £102 120 | £202 673 | £251 371 | £293 494 | £365 416 |
| Accumulated Depreciation Not Including Impairment Property Plant Equipment | — | — | — | — | — | £215 021 | £15 719 | £45 492 | — | — | — | — |
| Additions Other Than Through Business Combinations Intangible Assets | — | — | — | — | — | £25 000 | £93 824 | £176 816 | £3 830 | £4 415 | — | — |
| Additions Other Than Through Business Combinations Property Plant Equipment | — | — | — | — | — | £420 225 | £369 740 | £43 944 | £53 001 | £21 003 | £112 061 | £56 113 |
| Amortisation Expense Intangible Assets | — | — | — | — | — | — | — | £43 547 | £60 647 | £57 110 | — | — |
| Amortisation Rate Used For Intangible Assets | — | — | — | — | — | — | — | — | — | — | £0 | £0 |
| Audit Fees Expenses | — | — | — | — | — | — | — | £7 950 | £8 200 | £9 000 | — | — |
| Bank Borrowings | — | — | — | — | — | £15 000 | £228 954 | £217 133 | £345 734 | — | — | — |
| Bank Borrowings Overdrafts | — | — | — | — | — | — | — | — | £309 216 | £0 | £27 002 | — |
| Bank Overdrafts | — | — | — | — | — | £45 105 | £3 682 | £3 682 | — | £0 | — | — |
| Called Up Share Capital | £1 000 | £1 000 | £1 000 | £1 000 | £1 000 | — | — | — | — | — | — | — |
| Cash Bank In Hand | £34 921 | £83 800 | £23 944 | £20 986 | £3 834 | — | — | — | — | — | — | — |
| Company Contributions To Defined Benefit Plans Directors | — | — | — | — | — | — | — | £1 800 | £6 400 | £23 000 | — | — |
| Corporation Tax Payable | — | — | — | — | — | £54 878 | £54 878 | £71 904 | £206 542 | — | — | £3 528 |
| Corporation Tax Recoverable | — | — | — | — | — | — | — | — | £0 | £46 470 | — | — |
| Cost Sales | — | — | — | — | — | — | — | £1 085 791 | £943 452 | £1 221 173 | — | — |
| Creditors Due After One Year | £16 740 | £3 595 | £46 251 | £15 000 | £15 000 | — | — | — | — | — | — | — |
| Creditors Due After One Year Total Noncurrent Liabilities | £25 672 | — | — | — | — | — | — | — | — | — | — | — |
| Creditors Due Within One Year | £229 012 | £220 920 | £229 623 | £211 294 | £290 412 | — | — | — | — | — | — | — |
| Creditors Due Within One Year Total Current Liabilities | £195 882 | — | — | — | — | — | — | — | — | — | — | — |
| Current Tax For Period | — | — | — | — | — | — | — | — | £59 576 | £91 765 | — | — |
| Deferred Tax Expense Credit Relating To Origination Reversal Timing Differences | — | — | — | — | — | — | — | £-39 521 | £-2 499 | £35 953 | — | — |
| Depreciation Expense Property Plant Equipment | — | — | — | — | — | — | — | £45 538 | £55 015 | £48 698 | — | — |
| Depreciation Rate Used For Property Plant Equipment | — | — | — | — | — | £15 | £15 | £15 | — | — | £0 | £0 |
| Director Remuneration | — | — | — | — | — | — | — | £55 835 | £174 595 | £270 465 | — | — |
| Director Remuneration Benefits Including Payments To Third Parties | — | — | — | — | — | — | — | £57 635 | £180 995 | £293 465 | — | — |
| Disposals Decrease In Depreciation Impairment Property Plant Equipment | — | — | — | — | — | — | — | — | — | — | £15 639 | — |
| Disposals Property Plant Equipment | — | — | — | — | — | — | — | — | — | — | £21 374 | — |
| Dividends Paid | — | — | — | — | — | — | — | — | £20 002 | £1 400 000 | — | — |
| Dividends Paid On Shares Interim | — | — | — | — | — | — | — | £0 | £20 002 | £1 400 000 | — | — |
| Finished Goods Goods For Resale | — | — | — | — | — | — | — | — | £276 501 | £254 054 | — | — |
| Fixed Assets | £41 856 | £62 997 | £128 019 | £146 971 | £119 666 | £119 666 | £579 893 | £963 725 | £1 080 478 | £1 021 647 | £941 257 | £933 665 |
| Further Item Tax Increase Decrease Component Adjusting Items | — | — | — | — | — | — | — | — | £-47 593 | £1 951 | — | — |
| Future Minimum Lease Payments Under Non-cancellable Operating Leases | — | — | — | — | — | — | — | — | — | £0 | — | £51 115 |
| Gain Loss Due To Foreign Exchange Differences Recognised In Profit Or Loss | — | — | — | — | — | — | — | £-3 368 | £-10 229 | £-11 858 | — | — |
| Government Grant Income | — | — | — | — | — | — | — | £0 | £70 234 | £79 907 | — | — |
| Gross Profit Loss | — | — | — | — | — | — | — | £1 440 863 | £1 905 058 | £2 048 170 | — | — |
| Increase Decrease In Current Tax From Adjustment For Prior Periods | — | — | — | — | — | — | — | £25 946 | £7 072 | £7 470 | — | — |
| Increase From Amortisation Charge For Year Intangible Assets | — | — | — | — | — | £40 441 | £34 239 | £68 641 | £60 647 | £57 110 | £56 156 | £17 490 |
| Increase From Depreciation Charge For Year Property Plant Equipment | — | — | — | — | — | £1 | £45 492 | £56 628 | £55 015 | £48 698 | £57 762 | £71 922 |
| Intangible Assets | — | — | — | — | — | £78 873 | £63 432 | £123 016 | £233 021 | £176 204 | £123 509 | £67 353 |
| Intangible Assets Gross Cost | — | — | — | — | — | £207 199 | £301 023 | £477 839 | £527 045 | £531 460 | £531 460 | £531 460 |
| Intangible Fixed Assets | £0 | £24 806 | £90 790 | £115 312 | £78 873 | — | — | — | — | — | — | — |
| Intangible Fixed Assets Additions | — | £31 007 | £90 231 | — | £0 | — | — | — | — | — | — | — |
| Intangible Fixed Assets Aggregate Amortisation Impairment | £0 | £6 201 | £30 448 | £66 887 | £103 326 | — | — | — | — | — | — | — |
| Intangible Fixed Assets Amortisation Charged In Period | — | £6 201 | £24 247 | — | £36 439 | — | — | — | — | — | — | — |
| Intangible Fixed Assets Cost Or Valuation | £0 | £31 007 | £121 238 | £182 199 | £182 199 | — | — | — | — | — | — | — |
| Interest Expense On Bank Overdrafts Bank Loans Similar Borrowings | — | — | — | — | — | — | — | £9 295 | £8 465 | £9 628 | — | — |
| Interest Income On Bank Deposits | — | — | — | — | — | — | — | — | £0 | £284 | — | — |
| Interest Payable Similar Charges Finance Costs | — | — | — | — | — | — | — | £9 295 | £8 465 | £9 628 | — | — |
| Net Assets Liabilities Including Pension Asset Liability | £380 007 | £367 034 | £387 173 | £388 472 | £450 231 | — | — | — | — | — | — | — |
| Net Finance Income Costs | — | — | — | — | — | — | — | — | £0 | £1 402 | — | — |
| Operating Profit Loss | — | — | — | — | — | — | — | £356 585 | £490 167 | £825 435 | — | — |
| Other Disposals Decrease In Depreciation Impairment Property Plant Equipment | — | — | — | — | — | — | £15 719 | — | — | — | — | — |
| Other Disposals Property Plant Equipment | — | — | — | — | — | — | £15 719 | — | — | — | — | — |
| Other Interest Income | — | — | — | — | — | — | — | — | £0 | £1 118 | — | — |
| Other Interest Receivable Similar Income Finance Income | — | — | — | — | — | — | — | — | £0 | £1 402 | — | — |
| Other Operating Income Format1 | — | — | — | — | — | — | — | £0 | £107 457 | £119 243 | — | — |
| Other Taxation Social Security Payable | — | — | — | — | — | £21 439 | £13 745 | £15 613 | £48 441 | £24 418 | £28 425 | £32 193 |
| Pension Other Post-employment Benefit Costs Other Pension Costs | — | — | — | — | — | — | — | £15 495 | £23 539 | £38 134 | — | — |
| Prepayments Accrued Income | — | — | — | — | — | £11 090 | £11 090 | £1 525 | — | £0 | — | — |
| Profit Loss Account Reserve | £379 007 | £366 034 | £386 173 | £387 472 | £449 231 | — | — | — | — | — | — | — |
| Profit Loss On Ordinary Activities Before Tax | — | — | — | — | — | — | — | £347 290 | £481 702 | £817 209 | — | — |
| Property Plant Equipment | — | — | — | — | — | £40 793 | £516 461 | £840 709 | £847 457 | £845 443 | £817 748 | £866 312 |
| Property Plant Equipment Gross Cost | — | — | — | — | — | £532 180 | £886 201 | £930 144 | £1 048 116 | £1 069 119 | £1 159 806 | £1 215 919 |
| Provisions For Liabilities Balance Sheet Subtotal | — | — | — | — | — | £-6 438 | £-5 248 | £-49 219 | — | — | £51 699 | £65 863 |
| Provisions For Liabilities Charges | £6 172 | £5 939 | £6 124 | £5 248 | £6 438 | — | — | — | — | — | — | — |
| Research Development Expense Recognised In Profit Or Loss | — | — | — | — | — | — | — | £25 449 | £104 141 | £40 433 | — | — |
| Revaluations Increase Decrease In Depreciation Impairment Property Plant Equipment | — | — | — | — | — | £-199 303 | — | — | — | — | — | — |
| Share Capital Allotted Called Up Paid | — | £1 000 | £1 000 | — | — | — | — | — | — | — | — | — |
| Shareholder Funds | £380 007 | £367 034 | £387 173 | £388 472 | £450 231 | — | — | — | — | — | — | — |
| Social Security Costs | — | — | — | — | — | — | — | £55 519 | £80 804 | £73 725 | — | — |
| Staff Costs Employee Benefits Expense | — | — | — | — | — | — | — | £687 123 | £951 322 | £873 721 | — | — |
| Stocks Inventory | £141 056 | £148 000 | £150 000 | £155 000 | £147 853 | — | — | — | — | — | — | — |
| Tangible Fixed Assets | £41 856 | £38 191 | £37 229 | £31 659 | £40 793 | — | — | — | — | — | — | — |
| Tangible Fixed Assets Additions | £19 276 | £4 570 | £9 794 | — | £22 383 | — | — | — | — | — | — | — |
| Tangible Fixed Assets Cost Or Valuation | £214 517 | £219 087 | £228 881 | £233 431 | £255 814 | — | — | — | — | — | — | — |
| Tangible Fixed Assets Depreciation | £172 661 | £180 896 | £191 652 | £201 772 | £215 021 | — | — | — | — | — | — | — |
| Tangible Fixed Assets Depreciation Charged In Period | — | £8 235 | £10 756 | — | £13 249 | — | — | — | — | — | — | — |
| Tangible Fixed Assets Depreciation Charge For Period | £13 427 | — | — | — | — | — | — | — | — | — | — | — |
| Taxation Including Deferred Taxation Balance Sheet Subtotal | — | — | — | — | — | £6 438 | £5 248 | £49 219 | £18 245 | £15 746 | — | — |
| Tax Expense Credit Applicable Tax Rate | — | — | — | — | — | — | — | — | £65 985 | £91 523 | — | — |
| Tax Increase Decrease From Effect Adjustment In Research Development Tax Credit | — | — | — | — | — | — | — | £0 | £-7 072 | £-7 470 | — | — |
| Tax Increase Decrease From Effect Capital Allowances Depreciation | — | — | — | — | — | — | — | £1 654 | £2 252 | £2 300 | — | — |
| Tax Increase Decrease From Effect Expenses Not Deductible In Determining Taxable Profit Or Loss | — | — | — | — | — | — | — | £9 | £612 | £666 | — | — |
| Tax Tax Credit On Profit Or Loss On Ordinary Activities | — | — | — | — | — | — | — | £46 001 | £96 338 | £160 494 | — | — |
| Total Borrowings | — | — | — | — | — | — | — | — | £309 216 | £0 | — | — |
| Total Current Tax Expense Credit | — | — | — | — | — | — | — | £85 522 | £98 837 | £124 541 | — | — |
| Total Increase Decrease From Revaluations Property Plant Equipment | — | — | — | — | — | £-143 859 | — | — | — | — | — | — |
| Total Inventories | — | — | — | — | — | £147 853 | £209 182 | £308 250 | £399 315 | £348 969 | £320 596 | £955 926 |
| Total Operating Lease Payments | — | — | — | — | — | — | — | £2 624 | £2 402 | £1 610 | — | — |
| Trade Debtors Trade Receivables | — | — | — | — | — | £463 690 | £404 223 | £519 616 | £447 976 | £683 625 | £953 977 | £1 076 196 |
| Turnover Revenue | — | — | — | — | — | — | — | £2 526 654 | £2 848 510 | £3 269 343 | — | — |
| Useful Life Intangible Assets Years | — | — | — | — | — | £5 | £5 | £5 | — | — | — | — |
| Wages Salaries | — | — | — | — | — | — | — | £616 109 | £846 979 | £761 862 | — | — |
| Work In Progress | — | — | — | — | — | — | — | — | £122 814 | £94 915 | — | — |
