Debt (Details) (USD $)	Mar. 31, 2013	Dec. 31, 2012
Term Note	$ 12,301,000	$ 12,579,000
Seller Note	6,449,000	6,306,000
Contingent obligation - Seller	11,466,000	11,466,000
Other long term liabilities	51,000	45,000
Total	30,267,000	30,396,000
Current portion	1,519,000	1,350,000
Total long term liabilities	$ 28,748,000	$ 29,046,000