CONSOLIDATED STATEMENTS OF INCOME (Unaudited) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Income Statement [Abstract]
Revenue	$ 8,031	$ 7,727	$ 23,016	$ 23,136
Costs, expenses and other income:
Cost of goods sold, exclusive of depreciation and amortization	6,125	5,594	17,413	17,164
Selling, general and administrative	1,262	1,506	4,181	4,140
Interest expense	12	10	31	31
Arbitration award expense	5,419		5,419
Depreciation and amortization	150	152	490	460
Other income, net	(4)	(44)	(16)	(45)
Total expenses	12,964	7,218	27,518	21,750
Income (loss) before income tax provision	(4,933)	509	(4,502)	1,386
Income tax provision	(1,632)	151	(1,503)	347
Net (loss) income	$ (3,301)	$ 358	$ (2,999)	$ 1,039
Basic
Net (loss) income per share (in dollars per share)	$ (1.46)	$ 0.16	$ (1.32)	$ 0.46
Diluted
Net (loss) income per share (in dollars per share)	$ (1.46)	$ 0.16	$ (1.32)	$ 0.46