Intangibles (Tables)

3 Months Ended

Mar. 30, 2013

Intangibles [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)
2013 Patents and developed technology
Gross Amount:	$	2,721,179	$	1,037,020	$	5,839	$	3,764,038	15.7
Accumulated Amortization:		1,656,781		464,726		5,753		2,127,260
Net March 30, 2013 per Balance Sheet	$	1,064,398	$	572,294	$	86	$	1,636,778

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 December 29, 2012 per Balance Sheet	$	1,080,108	$	573,677	$	172	$	1,653,957