Financing Transactions (Loan Agreement with GE Capital) (Details) (USD $)	3 Months Ended
	Mar. 31, 2015	Mar. 30, 2012
Loans Payable [Member]
Debt Instrument [Line Items]
Debt instrument, carrying amount		$ 2,500,000
Fixed interest rate	10.14%
Debt discount	2,000
Prepayment premium, if we prepay the term loan and terminate the revolving line of credit prior to the scheduled maturity date, percent	2.00%
Final payment fee payable on term loan balance, percent	3.00%
Warrants issued to purchase common stock, in connection with loan agreement	46,584
Warrant exercise price	$ 1.61
Debt	500,000
Line of Credit [Member]
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity		5,000,000
Line of credit facility borrowing capacity, qualified billed accounts receivable, percent	85.00%
Line of credit facility borrowing capacity, qualified unbilled accounts receivable, percent	80.00%
Current borrowing capacity	$ 4,800,000
Adjustable interest rate, reference rate, floor percentage 1.5%	1.50%
Loan payable, interest rate spread	5.00%
Incremental borrowing rate used to calculate discount	6.50%