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Subsequent Events (Details)
12 Months Ended
Mar. 08, 2017
USD ($)
shares
Mar. 07, 2017
USD ($)
guarantor
$ / shares
shares
Mar. 28, 2016
USD ($)
$ / shares
Dec. 31, 2015
USD ($)
$ / shares
shares
Dec. 31, 2016
USD ($)
$ / shares
shares
Jun. 15, 2016
$ / shares
Apr. 29, 2016
USD ($)
Subsequent Event [Line Items]              
Common stock, shares outstanding (shares) | shares       5,201,107 10,103,525    
Term Loan       $ 5,330,000 $ 5,821,000    
Issuance of common stock       $ 3,000,000      
Common stock, par value (usd per share) | $ / shares       $ 0.04 $ 0.04 $ 0.04  
2017 Private Offering [Member]              
Subsequent Event [Line Items]              
Warrants issued (in shares) | shares         1,388,889    
Term Loan [Member] | April 17, 2015 Credit Agreement [Member]              
Subsequent Event [Line Items]              
Term Loan       $ 5,000,000 $ 3,676,000    
Issuance of common stock     $ 100,000        
Common stock, par value (usd per share) | $ / shares     $ 0.04        
Line of Credit [Member] | 2016 Loan and Security Agreement [Member]              
Subsequent Event [Line Items]              
Term Loan         3,603,000    
Credit facility, maximum borrowing capacity         $ 7,000,000.0   $ 7,000,000
Subsequent Event [Member]              
Subsequent Event [Line Items]              
Common stock, shares outstanding (shares) | shares   26,400,000          
Subsequent Event [Member] | Piper Merger Corp., Provant Health Solutions, LLC and Wellness Holdings, LLC [Member]              
Subsequent Event [Line Items]              
Common stock issued for acquisition (shares) | shares   10,448,849          
Subsequent Event [Member] | Piper Merger Corp., Provant Health Solutions, LLC and Wellness Holdings, LLC [Member] | 2017 Private Offering [Member]              
Subsequent Event [Line Items]              
Issuance of common stock   $ 3,500,000.0          
Issuance of common stock (shares) | shares 1,712,500 2,000,000.0          
Sale of common stock, price per share (in usd per share) | $ / shares   $ 0.80          
Price of warrant per common share (in usd per share) | $ / shares   0.50          
Strike price of warrant (in usd per share) | $ / shares   $ 1.35          
Exercisable period of warrants   4 years          
Blackout period to exercise warrants   6 months          
Warrants issued (in shares) | shares 856,250            
Proceeds from issuance of private placement $ 1,400,000            
Subsequent Event [Member] | Piper Merger Corp., Provant Health Solutions, LLC and Wellness Holdings, LLC [Member] | Term Loan [Member] | April 17, 2015 Credit Agreement [Member]              
Subsequent Event [Line Items]              
Term Loan   $ 6,500,000          
Subsequent Event [Member] | Piper Merger Corp., Provant Health Solutions, LLC and Wellness Holdings, LLC [Member] | Line of Credit [Member] | 2016 Loan and Security Agreement [Member]              
Subsequent Event [Line Items]              
Credit facility, maximum borrowing capacity   10,000,000.0          
Credit facility, accordion feature during high-volume months   15,000,000.0          
Subsequent Event [Member] | Piper Merger Corp., Provant Health Solutions, LLC and Wellness Holdings, LLC [Member] | Guarantor Subsidiaries [Member] | Line of Credit [Member] | Seasonal Revolving Line of Credit              
Subsequent Event [Line Items]              
Credit facility, maximum borrowing capacity   $ 2,000,000.0          
Number of guarantors | guarantor   1          
Subsequent Event [Member] | Piper Merger Corp., Provant Health Solutions, LLC and Wellness Holdings, LLC [Member] | Affiliated Entity [Member]              
Subsequent Event [Line Items]              
Noncontrolling interest, ownership percentage after acquisition   48.00%          
Subsequent Event [Member] | Piper Merger Corp., Provant Health Solutions, LLC and Wellness Holdings, LLC [Member] | Affiliated Entity [Member] | 2017 Private Offering [Member]              
Subsequent Event [Line Items]              
Issuance of common stock $ 1,750,000