Liquidity (Details) - USD ($)		3 Months Ended		6 Months Ended
	Apr. 17, 2015	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014	Jul. 28, 2015	Apr. 16, 2015	Dec. 31, 2014	Dec. 31, 2013
Debt Instrument [Line Items]
Cash and cash equivalents		$ 1,242,000	$ 3,137,000	$ 1,242,000	$ 3,137,000			$ 5,201,000	$ 3,970,000
Acquisition, cash paid				4,000,000	0
Loss from continuing operations		(3,342,000)	(1,943,000)	(5,444,000)	(4,798,000)
Net cash used in operating activities of continuing operations				5,099,000	1,179,000
Transaction costs		593,000	$ 0	679,000	$ 0
2013 Loan and Security Agreement [Member]
Debt Instrument [Line Items]
Borrowings outstanding		(800,000)		(800,000)
Maximum borrowing capacity	$ 7,000,000	$ 7,000,000		$ 7,000,000			$ 10,000,000
Loan maximum defined, based on eligible receivables		85.00%		85.00%
Loan maximum defined, based on eligible receivables, reserve		$ 500,000		$ 500,000
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
Debt covenant, minimum EBITDA amount for twelve month period ending June 30, 2016	2,700,000.0
Acquisition [Member]
Debt Instrument [Line Items]
Acquisition, cash paid	4,000,000
AHS receivables	877,000	900,000		900,000
Transaction costs				700,000
Loans Payable [Member]
Debt Instrument [Line Items]
Term Loan		5,000,000		5,000,000
Loans Payable [Member] | Credit Agreement [Member]
Debt Instrument [Line Items]
Term Loan	5,000,000
Net proceeds from loan	800,000
Debt covenant, minimum EBITDA amount for twelve month period ending September 30, 2015	1
Debt covenant, minimum EBITDA amount for twelve month period ending December 31, 2015	1,000,000.0
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 Instrument, Covenant, Minimum Aggregate Revenue, Period Four	40,000,000
Debt covenant, maximum debt outstanding	$ 250,000.00
Loans Payable [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] | 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] | 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] | 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] | 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] | Credit Agreement [Member]
Debt Instrument [Line Items]
Percent of aggregate revenue for quarterly payments	5.00%
Annual aggregate revenue limit	$ 30,000,000
Selling, General and Administrative Expenses [Member] | Acquisition [Member]
Debt Instrument [Line Items]
Integration costs		$ 300,000		$ 300,000
Subsequent Event [Member] | 2013 Loan and Security Agreement [Member]
Debt Instrument [Line Items]
Additional borrowing availability under Loan and Security Agreement						$ (600,000)