Liquidity and Going Concern Assessment (Details)					1 Months Ended	12 Months Ended
	Mar. 15, 2018 USD ($)	Feb. 02, 2018 USD ($)	Feb. 01, 2018 USD ($)	Aug. 31, 2017 USD ($) $ / shares	Mar. 31, 2018 USD ($)	Dec. 31, 2017 USD ($) operating_lease states $ / shares	Dec. 31, 2016 USD ($) $ / shares	Apr. 16, 2018 USD ($)	Mar. 30, 2018 USD ($)	Aug. 08, 2017 USD ($)	May 12, 2017 USD ($)	May 11, 2017 USD ($)	May 10, 2017 USD ($)	Sep. 15, 2016 $ / shares	Jun. 15, 2016 $ / shares	Mar. 28, 2016 $ / shares	Jan. 25, 2016 $ / shares	Dec. 31, 2015 USD ($)
Debt Instrument [Line Items]
Long-term debt						$ 19,314,000	$ 5,821,000
Working capital deficit						27,100,000
Cash and cash equivalents						884,000	1,866,000											$ 2,035,000
Past due payables						$ 11,700,000
Past due payable percentage						35.00%
Net cash used in operating activities						$ 12,010,000	4,444,000
Loss from continuing operations						16,080,000	9,944,000
Proceeds from issuance of common stock and warrants						$ 3,414,000	$ 6,250,000
Common stock, par value (usd per share) | $ / shares						$ 0.04	$ 0.04							$ 0.04	$ 0.04	$ 0.04	$ 0.04
Number of operating leases settlements | states						3
Reduction in operating lease obligations						$ 700,000
Purchase and Registration Rights Agreement | LPC
Debt Instrument [Line Items]
Common stock, value of shares that Company has right to sell				$ 10,000,000
Common stock, par value (usd per share) | $ / shares				$ 0.04
Common stock, period during which Company has right to require LPC to pruchase shares to provide equity financing				36 months
Olathe, Kansas and East Greenwich, Rhode Island
Debt Instrument [Line Items]
Number of properties under operating leases | operating_lease						2
Provant
Debt Instrument [Line Items]
Merger related costs						$ 3,200,000
Subordinated promissory note						(1,917,000)
Subsequent Event | Purchase and Registration Rights Agreement | LPC
Debt Instrument [Line Items]
Common stock, value of shares that Company has right to sell, limit per day								$ 8,250
Line of Credit | 2016 Credit and Security Agreement
Debt Instrument [Line Items]
Long-term debt						10,015,000	$ 3,603,000
Line of credit facility, maximum borrowing capacity													$ 7,000,000
Outstanding borrowing capacity						10,000,000
Available borrowing capacity under loan						1,800,000
Line of Credit | 2016 Credit and Security Agreement | Provant
Debt Instrument [Line Items]
Line of credit facility, capacity available during high-volume months												$ 15,000,000
Line of credit facility, maximum borrowing capacity												$ 10,000,000
Line of credit facility, eligible receivables percentage to calculate maximum borrowing capacity												85.00%
Line of Credit | 2016 Credit and Security Agreement | Subsequent Event
Debt Instrument [Line Items]
Outstanding borrowing capacity									$ 4,900,000
Available borrowing capacity under loan									$ 200,000
Term Loan | A&R Credit Agreement
Debt Instrument [Line Items]
Long-term debt						8,500,000	3,676,000
Line of credit facility, maximum borrowing capacity													$ 3,700,000
Outstanding borrowings under term loan						8,500,000
Term Loan | A&R Credit Agreement | Provant
Debt Instrument [Line Items]
Long-term debt										$ 6,500,000		$ 8,500,000
Line of credit facility, maximum borrowing capacity												$ 6,500,000
Term Loan | A&R Credit Agreement | Subsequent Event
Debt Instrument [Line Items]
Debt payment in default	$ 250,000
Term Loan | 2017 August Term Loan
Debt Instrument [Line Items]
Long-term debt										$ 2,000,000
Term Loan | 2017 August Term Loan | Subsequent Event
Debt Instrument [Line Items]
Long-term debt		$ 2,000,000
Repayment of debt principal balance		$ 250,000	$ 250,000
Debt payment in default	$ 250,000				$ 250,000
Subordinated Debt | Subordinated Promissory Note
Debt Instrument [Line Items]
Long-term debt						1,543,000	$ 0
Line of Credit | 2017 August Term Loan | Provant
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity											$ 2,000,000
2017 Private Offering Warrants
Debt Instrument [Line Items]
Proceeds from issuance of common stock and warrants						$ 3,400,000
Common stock, par value (usd per share) | $ / shares						$ 0.04