Liquidity and Going Concern Assessment (Details)				1 Months Ended		3 Months Ended
	Mar. 15, 2018 USD ($)	Feb. 01, 2018 USD ($)	Aug. 31, 2017 USD ($) $ / shares	Apr. 30, 2018 USD ($)	Mar. 31, 2018 USD ($) operating_lease $ / shares	Mar. 31, 2018 USD ($) operating_lease $ / shares	Mar. 31, 2017 USD ($)	May 15, 2018 USD ($)	May 10, 2018 USD ($)	Dec. 31, 2017 USD ($) $ / shares	Aug. 08, 2017 USD ($)	May 12, 2017 USD ($)	May 11, 2017 USD ($)	May 10, 2017 USD ($)	Dec. 31, 2016 USD ($)	Nov. 15, 2016 USD ($)
Debt Instrument [Line Items]
Long-term debt					$ 13,979,000	$ 13,979,000				$ 19,314,000
Issuance of common stock and warrants, net of issuance costs						0	$ 1,300,000
Working capital deficit					31,500,000	31,500,000
Cash and cash equivalents					544,000	544,000	226,000			$ 884,000					$ 1,866,000
Past due payables					$ 13,600,000	$ 13,600,000
Past due percentage of outstanding payables					60.00%	60.00%
Net cash provided by operating activities of continuing operations						$ 5,116,000	(3,239,000)
Loss from continuing operations before tax						$ 5,194,000	$ 3,237,000
Common stock, par value (in dollars per share) | $ / shares					$ 0.04	$ 0.04				$ 0.04
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
LPC | Purchase and Registration Rights Agreement | Subsequent Event
Debt Instrument [Line Items]
Common stock, maximum dollar value of shares to be issued per day								$ 1,750
Provant
Debt Instrument [Line Items]
Subordinated promissory note					$ 1,917,000	$ 1,917,000
Olathe, KS and East Greenwich, RI
Debt Instrument [Line Items]
Number of properties under operating leases | operating_lease					2	2
Line of Credit | 2017 August Term Loan | Provant
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity					$ 2,000,000	$ 2,000,000
Term Loans
Debt Instrument [Line Items]
Deb face amount					8,250,000	8,250,000				$ 8,500,000
Term Loans | Term Loans
Debt Instrument [Line Items]
Long-term debt					8,250,000	8,250,000				8,500,000
Debt unamortized discount					555,000	555,000				631,000
Line of credit facility, maximum borrowing capacity														$ 3,700,000
Debt balance in default	$ 250,000				250,000
Deb face amount																$ 5,000,000
Term Loans | Term Loans | Subsequent Event
Debt Instrument [Line Items]
Debt balance in default				$ 250,000
Term Loans | Term Loans | SWK
Debt Instrument [Line Items]
Outstanding borrowings under term loan					8,300,000	8,300,000
Term Loans | Term Loans | Provant
Debt Instrument [Line Items]
Long-term debt					6,500,000	6,500,000					$ 6,500,000		$ 8,500,000
Line of credit facility, maximum borrowing capacity													6,500,000
Term Loans | May 2018 Term Loan | SWK | Subsequent Event
Debt Instrument [Line Items]
Deb face amount									$ 1,500,000
Term Loans | 2017 August Term Loan
Debt Instrument [Line Items]
Long-term debt					1,800,000	1,800,000					$ 2,000,000
Repayments of debt		$ 250,000
Debt balance in default					250,000
Term Loans | 2017 August Term Loan | Subsequent Event
Debt Instrument [Line Items]
Debt balance in default				250,000
Line of Credit | 2016 Credit and Security Agreement
Debt Instrument [Line Items]
Borrowings outstanding					4,900,000	4,900,000
Available borrowing capacity					200,000	200,000
Long-term debt					4,887,000	4,887,000				10,015,000
Line of credit facility, maximum borrowing capacity														$ 7,000,000
Line of Credit | 2016 Credit and Security Agreement | Subsequent Event
Debt Instrument [Line Items]
Borrowings outstanding				5,600,000
Available borrowing capacity				$ 300,000
Line of Credit | 2016 Credit and Security Agreement | Provant
Debt Instrument [Line Items]
Line of credit facility, accordion feature													$ 15,000,000
Line of credit, percentage to calculate available borrowing base													85.00%
Line of credit facility, maximum borrowing capacity													$ 10,000,000
Line of Credit | Seasonal Facility | Guarantor Subsidiaries | Provant
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity					2,000,000.0	2,000,000.0						$ 2,000,000.0
Subordinated Debt | Promissory Note
Debt Instrument [Line Items]
Long-term debt					$ 1,559,000	$ 1,559,000				$ 1,543,000