Goodwill (Details)	9 Months Ended
	Oct. 03, 2015 USD ($)
Goodwill [Roll Forward]
Beginning balance	$ 14,960,354
Foreign exchange	(213,196)
Ending balance	14,747,158
Industrial Hardware Segment [Member]
Goodwill [Roll Forward]
Beginning balance	1,901,312
Foreign exchange	(213,196)
Ending balance	1,688,116
Security Products Segment [Member]
Goodwill [Roll Forward]
Beginning balance	13,059,042
Foreign exchange	0
Ending balance	13,059,042
Metal Products Segment [Member]
Goodwill [Roll Forward]
Beginning balance	0
Foreign exchange	0
Ending balance	$ 0