Debt (Details Textual) (USD $)	6 Months Ended
	Jun. 30, 2012
Bank Line of Credit [Member]
Line of Credit Facility, Maximum Borrowing Capacity	$ 3,000,000
Line of Credit Facility Current Borrowing Capacity, Percentage of Net Accounts Receivable	80.00%
Line of Credit Facility, Borrowing Capacity, Description	Borrowings under the LOC are limited to 80% of eligible accounts receivable less the aggregate face amount of all outstanding letters of credit, cash management services, and foreign exchange contracts.
Line of Credit Facility, Interest Rate Description	The interest rate is prime (3.25% at June 30, 2012) plus 1.0%. Interest payments are due monthly and all unpaid interest and principal is due in full on November 15, 2012.
Line of Credit Facility, Remaining Borrowing Capacity	947,000
Standby Letters of Credit [Member]
Line of Credit Facility, Maximum Borrowing Capacity	300,000
Line of Credit Facility, Current Borrowing Capacity	1,247,000
Line of Credit Facility Reduction of Borrowing Capacity	$ 947,000