Liquidity (Details) (USD $)	3 Months Ended		0 Months Ended
	Mar. 31, 2015	Mar. 31, 2014	Apr. 17, 2015	Dec. 31, 2014	Dec. 31, 2013
Liquidity [Abstract]
Cash and cash equivalents	$ 1,387,000	$ 2,667,000		$ 5,201,000	$ 3,970,000
Loss from continuing operations	(2,103,000)	(2,851,000)
Net cash used in operating activities of continuing operations	3,601,000	1,735,000
2013 Loan and Security Agreement [Member]
Debt Instrument [Line Items]
Maximum borrowing capacity	10,000,000
Loan maximum defined, based on eligible receivables	85.00%
Loan maximum defined, based on eligible receivables, reserve	500,000
Additional borrowing availability under Loan and Security Agreement	1,500,000
Borrowings outstanding	0
Acquisition [Member]
Debt Instrument [Line Items]
Acquisition fees	100,000
Subsequent Event [Member] | 2013 Loan and Security Agreement [Member]
Debt Instrument [Line Items]
Maximum borrowing capacity			7,000,000
Potential maximum borrowing capacity			12,000,000
Debt covenant, minimum EBITDA amount for twelve month period ending September 30, 2015			(3,000,000.0)
Debt covenant, minimum EBITDA amount for twelve month period ending December 31, 2015			800,000.0
Debt covenant, minimum EBITDA amount for twelve month period ending March 31, 2016			1,850,000.00
Loans Payable [Member] | Subsequent Event [Member] | Credit Agreement [Member]
Debt Instrument [Line Items]
Debt face amount			5,000,000.0
Net proceeds from loan			800,000
Origination fee			100,000
Maximum aggregate revenue-based payment			600,000
Variable rate floor, percent			1.00%
Exit fee as a percent of aggregate principal			8.00%
Debt covenant, minimum aggregate revenue for twelve month period ending September 30, 2015			27,500,000.0
Debt covenant, minimum aggregate revenue for twelve month period ending December 31, 2015			34,000,000
Debt covenant, minimum aggregate revenue for twelve month period ending March 31, 2016			38,000,000
Debt covenant, minimum EBITDA amount			1
Debt covenant, maximum debt outstanding			250,000
Loans Payable [Member] | Subsequent Event [Member] | LIBOR [Member] | Credit Agreement [Member]
Debt Instrument [Line Items]
Spread on variable rate			14.00%
Annual Aggregate Revenue Up To And Including $20 million [Member] | Loans Payable [Member] | Subsequent Event [Member] | Credit Agreement [Member]
Debt Instrument [Line Items]
Percent of aggregate revenue for quarterly payments			8.50%
Annual aggregate revenue limit			20,000,000
Annual Aggregate Revenue Greater Than $20 Million Up To And Including $30 Million [Member] | Loans Payable [Member] | Subsequent Event [Member] | Credit Agreement [Member]
Debt Instrument [Line Items]
Percent of aggregate revenue for quarterly payments			7.00%
Annual Aggregate Revenue Greater Than $20 Million Up To And Including $30 Million [Member] | Minimum [Member] | Loans Payable [Member] | Subsequent Event [Member] | Credit Agreement [Member]
Debt Instrument [Line Items]
Annual aggregate revenue limit			20,000,000
Annual Aggregate Revenue Greater Than $20 Million Up To And Including $30 Million [Member] | Maximum [Member] | Loans Payable [Member] | Subsequent Event [Member] | Credit Agreement [Member]
Debt Instrument [Line Items]
Annual aggregate revenue limit			30,000,000
Annual Aggregate Revenue Greater Than $30 million [Member] | Loans Payable [Member] | Subsequent Event [Member] | Credit Agreement [Member]
Debt Instrument [Line Items]
Percent of aggregate revenue for quarterly payments			5.00%
Annual aggregate revenue limit			$ 30,000,000