Goodwill (Details) (USD $)	3 Months Ended
	Mar. 29, 2014
Goodwill [Roll Forward]
Beginning balance	$ 13,842,047
Foreign exchange	(40,371)
Ending balance	13,801,676
Industrial Hardware Segment [Member]
Goodwill [Roll Forward]
Beginning balance	2,008,231
Foreign exchange	(40,371)
Ending balance	1,967,860
Security Products Segment [Member]
Goodwill [Roll Forward]
Beginning balance	11,833,816
Foreign exchange	0
Ending balance	11,833,816
Metal Products Segment [Member]
Goodwill [Roll Forward]
Beginning balance	0
Foreign exchange	0
Ending balance	$ 0