Business Description and Summary of Significant Accounting Policies (Detail Textuals) (USD $)	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Dec. 31, 2013
Business Description and Summary Of Significant Accounting Policies [Abstract]
Allowance for doubtful accounts	$ 112,000		$ 122,000
Inventory reserve	755,000		714,000
Income taxes refund (net of payments) received	36,000
Income taxes paid		2,700
Interest paid	$ 9,000	$ 10,000