Consolidated Statements of Income (USD $) In Thousands, except Per Share data	3 Months Ended		6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010
Revenue	$ 8,413	$ 8,203	$ 16,688	$ 16,087
Costs, expenses and other income:
Cost of goods sold, exclusive of depreciation and amortization	5,954	5,707	12,163	11,196
Selling, general and administrative	1,256	1,160	2,553	2,457
Interest expense	15	17	30	34
Depreciation and amortization	168	161	335	324
Other income, net	(4)	(8)	(14)	(23)
Total Costs	7,389	7,037	15,067	13,988
Income before income tax provision	1,024	1,166	1,621	2,099
Income tax provision	308	388	487	698
Net income	$ 716	$ 778	$ 1,134	$ 1,401
Basic
Net income per share	$ 0.36	$ 0.40	$ 0.57	$ 0.71
Diluted
Net income per share	$ 0.34	$ 0.37	$ 0.54	$ 0.66