4. Line of Credit (Details) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2013	Dec. 31, 2012
Line of Credit Facility, Description	On December 30, 2010, the Company agreed to a new Revolving Line of Credit Note and Loan Agreement with Sovereign Bank, NA (“Sovereign”). The Company established a line of credit facility in the maximum amount of $10,000,000, maturing on December 31, 2014, with funds available for working capital purposes and other cash needs.
Sovereign Bank, NA
Line of Credit Facility, Maximum Borrowing Capacity	$ 10,000
Line of Credit Facility, Collateral	The loan is collateralized by all of the Company’s tangible and intangible assets.
Line of Credit Facility, Interest Rate Description	The loan agreement provides for the payment of any borrowings under the agreement at an interest rate range of either LIBOR plus 1.75% to plus 2.75% (for borrowings with a fixed term of 30, 60, or 90 days), or, Prime less 0.50% to plus 0.50% (for borrowings with no fixed term other than the December 31, 2014 maturity date), depending upon the Company’s then existing financial ratios. At September 30, 2013, the Company’s ratio would allow for the most favorable rate under the agreement’s range, which would be a rate of 1.99% (LIBOR plus 1.75%).
Line of Credit Facility, Commitment Fee Description	The Company is required to pay an annual commitment fee for the access to the funds, and is also obligated to pay a “Line Fee” ranging from 17.5 to 35.0 basis points of the average unused balance on a quarterly basis, depending again upon the Company’s then existing financial ratios.
Line of Credit Facility, Amount Outstanding	$ 0	$ 324