Business Description and Summary of Significant Accounting Policies (Detail Textuals) - USD ($)	3 Months Ended		12 Months Ended
	Mar. 31, 2016	Mar. 31, 2015	Dec. 31, 2015
Accounting Policies [Abstract]
Allowance for doubtful accounts	$ 86,000		$ 88,000
Inventory reserve	1,427,000		1,429,000
Grant received from Company's CPG			$ 700,000
Income taxes paid		$ 46,000
Interest paid	$ 18,000	$ 28,000