Liquidity and Going Concern Assessment (Details)		3 Months Ended		9 Months Ended
	Aug. 31, 2017 USD ($) $ / shares	Sep. 30, 2017 USD ($) operating_lease states $ / shares	Sep. 30, 2016 USD ($)	Sep. 30, 2017 USD ($) operating_lease states $ / shares	Sep. 30, 2016 USD ($)	Feb. 02, 2018 USD ($)	Nov. 10, 2017 USD ($)	Aug. 08, 2017 USD ($)	May 11, 2017 USD ($) operating_lease	May 10, 2017 USD ($)	Dec. 31, 2016 USD ($) $ / shares	Dec. 31, 2015 USD ($)
Debt Instrument [Line Items]
Working capital deficit		$ 17,300,000		$ 17,300,000
Cash and cash equivalents		1,590,000	$ 825,000	1,590,000	$ 825,000						$ 1,866,000	$ 2,035,000
Past due payables		6,100,000		6,100,000
Net cash used in operating activities of continuing operations				11,543,000	7,081,000
Loss from continuing operations before tax		$ 5,397,000	$ 2,046,000	14,525,000	7,615,000
Proceeds from issuance of common stock and warrants				$ 3,414,000	$ 6,183,000
Common stock, par value (in dollars per share) | $ / shares		$ 0.04		$ 0.04							$ 0.04
Number of operating leases settlements | states		3		3
Reduction in operating lease obligations				$ 700,000
LPC | Purchase and Registration Rights Agreement
Debt Instrument [Line Items]
Common stock, value of shares that Company has right to sell	$ 10,000,000
Common stock, par value (in dollars per share) | $ / shares	$ 0.04
Common stock, period during which Company has right to require counterparty to purchase shares reserved for issuance	36 months
Olathe, KS and East Greenwich, RI
Debt Instrument [Line Items]
Number of properties under operating eases | operating_lease		2		2					2
Provant
Debt Instrument [Line Items]
Merger related costs		$ 2,900,000		$ 2,900,000
Line of Credit | Seasonal Facility | Provant
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity									$ 2,000,000
Term Loans | A&R Credit Agreement
Debt Instrument [Line Items]
Long-term debt		8,500,000		8,500,000							$ 3,676,000
Line of credit facility, maximum borrowing capacity										$ 3,700,000
Term Loans | A&R Credit Agreement | SWK
Debt Instrument [Line Items]
Outstanding borrowings under term loan		8,500,000		8,500,000
Term Loans | A&R Credit Agreement | Provant
Debt Instrument [Line Items]
Long-term debt									6,500,000
Line of credit facility, maximum borrowing capacity									6,500,000
Term Loans | August 2017 Term Loan
Debt Instrument [Line Items]
Long-term debt								$ 2,000,000
Term Loans | August 2017 Term Loan | Subsequent Event
Debt Instrument [Line Items]
Long-term debt						$ 2,000,000
Line of Credit | Seasonal Facility
Debt Instrument [Line Items]
Long-term debt		2,000,000		2,000,000							0
Line of Credit | Seasonal Facility | SWK
Debt Instrument [Line Items]
Long-term debt		2,000,000		2,000,000
Line of Credit | 2016 Credit and Security Agreement
Debt Instrument [Line Items]
Long-term debt		7,897,000		7,897,000							3,603,000
Line of credit facility, maximum borrowing capacity										$ 7,000,000.0
Borrowings outstanding		7,900,000		7,900,000
Line of Credit | 2016 Credit and Security Agreement | Subsequent Event
Debt Instrument [Line Items]
Borrowings outstanding							$ 12,100,000
Available borrowing capacity							$ 1,700,000
Line of Credit | 2016 Credit and Security Agreement | Provant
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity									$ 10,000,000.0
Subordinated Debt | Subordinated Promissory Note
Debt Instrument [Line Items]
Long-term debt		2,092,000		2,092,000							$ 0
Subordinated Debt | Subordinated Promissory Note | SWK
Debt Instrument [Line Items]
Long-term debt		$ 2,100,000		$ 2,100,000