Schedule of Debt and Credit Facilities (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Total lines of credit	$ 1,122	$ 468
Long term debt and capital lease obligations total	3,975	5,228
Unamortized premium on debt		45
Long term debt, total	3,975	5,273
Current portion of long-term debt	(942)	(1,658)
Long-term debt	3,033	3,615
Lloyds TSB Term Loan [Member]
Long term debt and capital lease obligations total	928	1,093
PEM Credit Agreement [Member]
Long term debt and capital lease obligations total		1,000
Promissory Notes Payable [Member]
Long term debt and capital lease obligations total	2,877	2,877
Capital Lease Obligations [Member]
Long term debt and capital lease obligations total	170	258
Lloyds TSB Commercial Finance [Member]
Total lines of credit	37	139
FACTOCIC [Member]
Total lines of credit	964	329
Bridge Bank [Member]
Total lines of credit
Bridge Bank [Member]
Total lines of credit	$ 121