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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 ($)
states
Jun. 30, 2016
USD ($)
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 $ (13,000,000)   $ (13,000,000)                
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     6,575,000 4,848,000              
Loss from continuing operations (5,298,000) (2,309,000) (8,540,000) (5,578,000)              
Merger related costs 1,095,000 221,000 1,777,000 329,000              
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 | 2017 Term Loan | Subsequent event                      
Debt Instrument [Line Items]                      
Long-term debt           $ 2,000,000          
Debt fees           30,000          
Term Loan | 2017 Term Loan | Scenario, Forecast | Payment by November 30, 2017                      
Debt Instrument [Line Items]                      
Debt exit fees           140,000          
Term Loan | 2017 Term Loan | Scenario, Forecast | Payment After November 30, 2017                      
Debt Instrument [Line Items]                      
Debt exit fees           $ 280,000          
Term Loan | 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 $ 1,100,000   $ 1,800,000                
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