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Debt (Details Narrative)
12 Months Ended 12 Months Ended 0 Months Ended
Dec. 31, 2012
USD ($)
Dec. 31, 2012
Minimum [Member]
Dec. 31, 2012
Maximum [Member]
Dec. 31, 2012
GBP [Member]
GBP (£)
Dec. 31, 2011
GBP [Member]
USD ($)
Dec. 31, 2012
Lloyds Term Loan [Member]
USD ($)
Dec. 31, 2012
Lloyds Term Loan [Member]
GBP (£)
Sep. 30, 2012
Lloyds Term Loan [Member]
USD ($)
Aug. 02, 2011
Lloyds Term Loan [Member]
USD ($)
Jun. 30, 2012
PEM Credit Agreement [Member]
USD ($)
Feb. 29, 2012
PEM Credit Agreement [Member]
USD ($)
Dec. 31, 2012
PEM Credit Agreement [Member]
USD ($)
Interest rate 4.00%             4.75%       15.50%
Prime rate plus 1.00%                      
Maturity date Dec. 15, 2014                      
Principal payments $ 300,000                 $ 225,000 $ 500,000  
Future payment description Further payments of principal amounting to $0.3 million will be payable on each of September 15, 2013, March 15, 2014, and September 15, 2014.                      
Outstanding principal balance 1,700,000     572,000 1,093,000     928,000        
Subordinated Contingent Promissory Notes 2,877,000                      
Term loan           405,000   250,000 750,000     26,000,000
Financial covenant requiring minimum net worth           4,200,000            
Increase in loan annually             £ 200,000          
Lease expire date Dec. 31, 2016                      
Capitalized lease obligations calculated interest rates   6.00% 18.00%