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Senior Secured Convertible Debentures (Details Textual) - USD ($)
$ / shares in Units, $ in Thousands
1 Months Ended 12 Months Ended
Feb. 11, 2019
Mar. 12, 2018
Jun. 29, 2018
Mar. 31, 2019
Senior Secured Convertible Debentures (Textual)        
Accrued interest       $ 13,200
Debt, description   On March 12, 2018, $0.4 million of principal and interest of the notes were converted into shares of the Company's common stock, and less than $0.1 million of debt discount was charged to APIC as a result of the conversion. In addition, the noteholders received 24,760 warrants, with an exercise price of $4.00 per share, as an incentive to convert the notes prior to its maturity date. In June 2018, the entire remaining $1.0 million of principal and interest of the notes was converted into shares of the Company's common stock, and less than $0.1 million of debt discount was charged to APIC as a result of the conversion.    
Convertible debenture, description       The Company performed a fair value analysis using a risk neutral model on the default event derivative instrument using the following assumptions: Coupon Rate: 12.75%, Term: 2.25 years, Discount Rate: 17.47 – 17.66%, Risk Free Rate: 2.26%, Recovery Rate: 53.99% and Probability of Default: 30.97%.
Coupon rate       12.75%
Expected term       2 years 2 months 30 days
Probability of default       30.97%
Fair value issuance       $ 600
Change in fair value of less than in fair value other income (expense)       400
Repayment of principal amount in January, 2019       300
Repayment of principal amount in February, 2019       200
Repayment of principal amount in March, 2019       200
Repayment of principal amount in April 2019       200
Repayment of principal amount in May 2019       $ 200
Monthly allowance, description       An aggregate cash purchase price of $10.0 million, $10.64 million in aggregate principal amount, of its 12.75% Original Issue Discount Senior Secured Convertible Debentures due June 29, 2021 (the "June 2018 Debentures").
Aggregate cash purchase price, description       200
Change in fair value of the embedded conversion feature       $ 200
Secured Debt [Member]        
Senior Secured Convertible Debentures (Textual)        
Coupon rate       12.75%
Expected term       3 years
Volatility rate       18.30%
Market rate       13.00%
Probability of divesture       5.00%
Probability of default       7.74%
Secured Debt One [Member]        
Senior Secured Convertible Debentures (Textual)        
Coupon rate       12.75%
Expected term       2 years 2 months 30 days
Probability of default       30.97%
Risk free rate       226.00%
Recovery rate       53.99%
Fair value issuance       $ 600
Change in fair value of less than in fair value other income (expense)       $ 400
Secured Debt One [Member] | Maximum [Member]        
Senior Secured Convertible Debentures (Textual)        
Discount rate       17.66%
Secured Debt One [Member] | Minimum [Member]        
Senior Secured Convertible Debentures (Textual)        
Discount rate       17.47%
Securities Purchase Agreement [Member]        
Senior Secured Convertible Debentures (Textual)        
Debt conversion, description     (i) recorded issuance costs of $1.1 million against the liability and (ii) used $3.5 million of the proceeds to pay off 100% of the Company's revolving line of credit (see Note 11 - Bank Debt). Issuance costs are being amortized to interest expense over the term of the June 2018 Debentures.  
Accrued interest percentage     12.75%  
Debenture mature date     Jun. 29, 2021  
Conversion price     $ 10.00  
Debt, description     (a) a 10% discount to the average of the three lowest daily volume weighted average prices of the Company's common stock over the prior 20 trading days, or (b) the Conversion Price, subject to a certain minimum price per share and if certain conditions are met.  
Monthly allowance, description The Company amended the SPA with the Purchasers to obtain additional financing, increasing the cash purchase price of the Debentures by $3.0 million, $3.2 million in aggregate principal amount, of its 12.75% Original Issue Discount Senior Secured Convertible Debentures due June 29, 2021 (the "February 2019 Debentures" and together with the June 2018 Debentures, the "Debentures").