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Accounting Policies (Tables) | 12 Months Ended
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Dec. 29, 2012
Accounting Policies [Abstract] |
Gross carrying amount and accumulated amortization of amortizable intangible assets | The gross carrying amount and accumulated amortization of amortizable intangible assets:
|  | Industrial Hardware Segment |  |  | Security Products Segment |  |  | Metal Products Segment |  |  | Total |  |  | Weighted-Average Amortization Period (Years) |
2012 Patents and developed technology |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Gross Amount: |  | $ | 2,732,307 |  |  | $ | 1,021,409 |  |  | $ | 5,839 |  |  | $ | 3,759,555 |  |  |  | 15.8 |
Accumulated amortization: |  |  | 1,652,199 |  |  |  | 447,732 |  |  |  | 5,667 |  |  |  | 2,105,598 |  |  |  |  |
Net 2012 per Balance Sheet |  | $ | 1,080,108 |  |  | $ | 573,677 |  |  | $ | 172 |  |  | $ | 1,653,957 |  |  |  |  |
2011 Gross Amount: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Patents and developed technology |  | $ | 2,714,900 |  |  | $ | 1,062,652 |  |  | $ | 5,839 |  |  | $ | 3,783,391 |  |  |  | 15.5 |
Customer relationships |  |  | 45,825 |  |  |  | 1,921,811 |  |  |  | — |  |  |  | 1,967,636 |  |  |  | 5.0 |
Non-compete agreements |  |  | 30,000 |  |  |  | 90,735 |  |  |  | — |  |  |  | 120,735 |  |  |  | 5.0 |
Total Gross Intangibles |  | $ | 2,790,725 |  |  | $ | 3,075,198 |  |  | $ | 5,839 |  |  | $ | 5,871,762 |  |  |  | 11.7 |
2011 Accumulated Amortization: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Patents and developed technology |  | $ | 1,528,007 |  |  | $ | 495,218 |  |  | $ | 5,323 |  |  | $ | 2,028,548 |  |  |  |  |
Customer relationships |  |  | 36,660 |  |  |  | 1,921,811 |  |  |  | — |  |  |  | 1,958,471 |  |  |  |  |
Non-compete agreements |  |  | 24,000 |  |  |  | 90,735 |  |  |  | — |  |  |  | 114,735 |  |  |  |  |
Total Gross Amortization |  | $ | 1,588,667 |  |  | $ | 2,507,764 |  |  | $ | 5,323 |  |  | $ | 4,101,754 |  |  |  |  |
Net 2011 per Balance Sheet |  | $ | 1,202,058 |  |  | $ | 567,434 |  |  | $ | 516 |  |  | $ | 1,770,008 |  |  |  |  |
Roll-forward of goodwill | The following is a roll-forward of goodwill for 2012 and 2011:
|  | Industrial Hardware Segment |  |  | Security Products Segment |  |  | Metal Products Segment |  |  | Total |
2012 |  |  |  |  |  |  |  |  |  |  |  |
Beginning balance |  | $ | 2,071,393 |  |  | $ | 11,833,816 |  |  | $ | — |  |  | $ | 13,905,209 |
Foreign exchange |  |  | 28,390 |  |  |  | — |  |  |  | — |  |  |  | 28,390 |
Ending balance |  | $ | 2,099,783 |  |  | $ | 11,833,816 |  |  | $ | — |  |  | $ | 13,933,599 |
2011 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Beginning balance |  | $ | 2,100,174 |  |  | $ | 11,833,816 |  |  | $ | — |  |  | $ | 13,933,990 |
Foreign exchange |  |  | (28,781 | ) |  |  | — |  |  |  | — |  |  |  | (28,781 | )
Ending balance |  | $ | 2,071,393 |  |  | $ | 11,833,816 |  |  | $ | — |  |  | $ | 13,905,209 |
Denominators used in the earnings per share computations | The denominators used in the earnings per share computations follow:
|  | 2012 |  |  | 2011 |  |  | 2010 |
Basic: |  |  |  |  |  |  |  |  |
Weighted average shares outstanding |  |  | 6,216,931 |  |  |  | 6,178,664 |  |  |  | 6,104,711 |
Diluted: |  |  |  |  |  |  |  |  |  |  |  |
Weighted average shares outstanding |  |  | 6,216,931 |  |  |  | 6,178,664 |  |  |  | 6,104,711 |
Dilutive stock options |  |  | 16,444 |  |  |  | 37,529 |  |  |  | 87,308 |
Denominator for diluted earnings per share |  |  | 6,233,375 |  |  |  | 6,216,193 |  |  |  | 6,192,019 |

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- Definition Tabular disclosure of goodwill by reportable segment and in total which includes a rollforward schedule. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 142 -Paragraph 45 -Subparagraph c -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 142 -Paragraph 47 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=14024403&loc=d3e13854-109267 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=14024403&loc=d3e13816-109267 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 142 -Paragraph 45 -Subparagraph e -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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