Subsequent Event (Details Textual)	6 Months Ended
	Jun. 30, 2012
Credit Agreement [Member]
Subsequent Event, Description	On July 17, 2012, the Company entered into Amendment Number 3 to the Credit Agreement among the Company and BMO Harris Bank N.A. ("BMO Harris") pursuant to which (i) the amount of the loan commitment on the revolver loan of BMO Harris was increased from $9 million to $12 million, (ii) BMO Harris consented to a transaction among the Company and BMO Private Equity (U.S.), Inc. ("BMO Equity") and (iii) the term of credit and loans to the Company provided in the Credit Agreement and BMO Harris was extended to July 17, 2017.
Note and Warrant Purchase Agreement [Member]
Subsequent Event, Description	Also, on July 17, 2012, the Company entered into a Note and Warrant Purchase Agreement with BMO Equity pursuant to which (i) BMO Equity advanced to the Company the sum of $5 million and (ii) the Company issued to BMO Equity a warrant to purchase up to Four Percent (4%) of the outstanding shares of common stock of the Company on a fully-diluted basis (140,048 shares of common stock of the Company} at the price of One Cent ($0.01) per share. The term of the loan provided for in this Agreement is five and a half years. Interest is payable on the outstanding balance of the loan at the rate of 11.5% per annum. The Note and Warrant Purchase Agreement includes provisions for: (i) a closing fee of $100,000 (ii) payment of the principal amount in five and a half years with optional prepayment subject to certain prepayment premiums; (iii) security for the note obligations in all assets of the Company junior to the security interest of BMO Harris; (iv) various representations and warranties and covenants of the Company; (v) financial covenants including an applicable senior leverage ratio, fixed charge coverage ratio and tangible net worth amount.