| Schedule of Long-term Debt Instruments [Table Text Block] | 
| 
            (Amounts in Thousands)
           |  | 
            December 31, 2014
           |  |  | 
            December 31, 2013
           |  |  
| 
            Revolving Credit facility dated October 31, 2011, borrowings based upon eligible accounts receivable, subject to monthly borrowing base calculation, variable interest paid monthly at our option of prime rate (3.25% at December 31, 2014) plus 2.0% or London Interbank Offer Rate ("LIBOR") plus 3.0%, balance due October 31, 2016. Effective interest rate for 2014 and 2013 was 4.1% and 3.7%, respectively. (1)
           |  | $ | — |  |  | $ | — |  |  
| 
            Term Loan dated October 31, 2011, payable in equal monthly installments of principal of $190, balance due 0n October 31, 2016, variable interest paid monthly at option of prime rate plus 2.5% or LIBOR plus 3.5%. Effective interest rate for 2014 and 2013 was 3.7% and 3.9%, respectively. (1)
           |  |  | 8,952 |  |  |  | 11,238 |  |  
| 
            Promissory Note dated February 12, 2013, payable in monthly installments of $10, which includes interest and principal, starting February 28, 2013, interest accrues at annual rate of 6.0%, balance due January 31, 2015. (2)
           |  |  | 10 |  |  |  | 127 |  |  
| 
            Promissory Note dated August 2, 2013, payable in twelve monthly installments of interest only, starting September 1, 2013 and twenty-four monthly installments of $125 in principal plus accrued interest. Interest accrues at annual rate of 2.99%. (2) (3)
           |  |  | 2,363 |  |  |  | 2,777 |  |  
| 
            Capital leases
           |  |  | 47 | (4) |  |  | 141 | (5) |  
|  |  |  | 11,372 |  |  |  | 14,283 |  |  
| 
            Less current portion of long-term debt
           |  |  | 3,733 |  |  |  | 2,876 |  |  
| 
            Less long-term debt related to assets held for sale
           |  |  | — |  |  |  | 35 |  |  
|  |  | $ | 7,639 |  |  | $ | 11,372 |  |  |