Liquidity and Going Concern Assessment (Details)	3 Months Ended		6 Months Ended
	Jun. 30, 2017 USD ($) states	Jun. 30, 2016 USD ($)	Jun. 30, 2017 USD ($) states	Jun. 30, 2016 USD ($)	Feb. 02, 2018 USD ($)	Aug. 10, 2017 USD ($)	Aug. 08, 2017 USD ($) $ / shares shares	May 11, 2017 USD ($) operating_lease	May 10, 2017 USD ($)	Dec. 31, 2016 USD ($)	Apr. 29, 2016 USD ($)	Dec. 31, 2015 USD ($)
Debt Instrument [Line Items]
Working capital deficit	$ (13,500,000)		$ (13,500,000)
Cash and cash equivalents	1,250,000	$ 102,000	1,250,000	$ 102,000						$ 1,866,000		$ 2,035,000
Past due payables	7,400,000		7,400,000
Net cash used in operating activities of continuing operations			6,681,000	4,848,000
Loss from continuing operations	(5,904,000)	(2,309,000)	(9,146,000)	(5,578,000)
Merger related costs	1,595,000	221,000	2,277,000	329,000
Revenues	$ 8,883,000	$ 7,643,000	16,484,000	14,884,000
Proceeds from issuance of common stock and warrants			$ 3,414,000	$ 4,574,000
Number of operating leases settlements | states	3		3
Reduction in operating lease obligations			$ 700,000
Olathe, Kansas and East Greenwich, Rhode Island
Debt Instrument [Line Items]
Number of properties under operating eases | operating_lease								2
Term Loan | A&R Credit Agreement
Debt Instrument [Line Items]
Long-term debt	$ 6,500,000		6,500,000							3,676,000
Line of credit facility, maximum borrowing capacity									$ 3,700,000
Outstanding borrowings under term loan	6,500,000		6,500,000
Debt fees								$ 97,500
Debt exit fees								400,000
Term Loan | August 2017 Term Loan | Subsequent event
Debt Instrument [Line Items]
Long-term debt					$ 2,000,000		$ 2,000,000
Debt fees							30,000
Term Loan | August 2017 Term Loan | Scenario, Forecast | Payment by November 30, 2017
Debt Instrument [Line Items]
Debt exit fees							140,000
Term Loan | August 2017 Term Loan | Scenario, Forecast | Payment After November 30, 2017
Debt Instrument [Line Items]
Debt exit fees							$ 280,000
Term Loan | August 2017 Term Loan | August Warrant | Subsequent event
Debt Instrument [Line Items]
Number of warrants to purchase shares issued (in shares) | shares							450,000
Exercise price of warrant (in dollars per share) | $ / shares							$ 0.80
Line of Credit | 2016 Credit and Security Agreement
Debt Instrument [Line Items]
Long-term debt	4,473,000		4,473,000							3,603,000
Line of credit facility, maximum borrowing capacity									$ 7,000,000.0
Borrowings outstanding	4,500,000		4,500,000
Debt fees											$ 100,000
Line of Credit | 2016 Credit and Security Agreement | Subsequent event
Debt Instrument [Line Items]
Borrowings outstanding						$ 3,400,000
Available borrowing availability						$ 900,000
Subordinated Debt | Subordinated Promissory Note
Debt Instrument [Line Items]
Long-term debt	2,092,000		2,092,000							$ 0
Provant
Debt Instrument [Line Items]
Merger related costs	$ 1,600,000		$ 2,300,000
Provant | Line of Credit | Seasonal Facility
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity								2,000,000
Provant | Term Loan | A&R Credit Agreement
Debt Instrument [Line Items]
Long-term debt								6,500,000
Line of credit facility, maximum borrowing capacity								6,500,000
Provant | Line of Credit | 2016 Credit and Security Agreement
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity								$ 10,000,000.0