Consolidated Statements of Operations (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Income Statement [Abstract]
Revenues	$ 18,661	$ 22,484
Costs and expenses:
Cost of sales	10,810	13,052
Selling, general and administrative	8,744	8,458
Research and development	244	933
Costs and Expenses	19,798	22,443
Operating (loss) income	(1,137)	41
Interest expense	(29)	0
Interest income	11	15
Other expense	(30)	(80)
Loss before income taxes	(1,185)	(24)
Income tax benefit	99	3
Net loss	$ (1,086)	$ (21)
Net loss per common share:
Basic (in Dollars per share)	$ (0.05)	$ 0.00
Diluted (in Dollars per share)	$ (0.05)	$ 0.00
Weighted-average number of common shares outstanding:
Basic (in Shares)	22,641,000	22,112,000
Diluted (in Shares)	22,641,000	22,112,000