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Senior Secured Convertible Debentures (Details Textual) - USD ($)
$ / shares in Units, $ in Thousands
 1 Months Ended 6 Months Ended 12 Months Ended
Feb. 11, 2019
Jun. 29, 2018
Sep. 30, 2019
Mar. 31, 2019
Senior Secured Convertible Debentures (Textual)        
Outstanding principal balance of the Debentures     $ 11,800 $ 13,200
Debt issuance costs against liability     1,100  
Accrued interest     100 $ 100
Additional debt discount     $ 200  
Convertible debenture, description     The Company performed a fair value analysis using a binomial lattice calculation on both of the derivative instruments using the following assumptions: Coupon Rate: 12.75%, Term: 1.75 years, Volatility: 84.1%, Market Rate: 17.70% and Probability of Default: 32.76%.  
Coupon rate     12.75%  
Expected term     3 years  
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  
Aggregate cash purchase price, description     (a) if the Debentures are prepaid on or after the original issuance date, but on or prior to December 31, 2019, all remaining regularly scheduled interest to be paid on the Debentures from the date of such payment of the Debentures to, but excluding, December 31, 2019, plus 10% of the entire outstanding principal balance of the Debentures, (b) if the Debentures are prepaid after December 31, 2019, but on or prior to June 30, 2020, 10% of the entire outstanding principal balance of the Debentures; (c) if the Debentures are prepaid after June 30, 2020, but on or prior to December 31, 2020, 8% of the entire outstanding principal balance of the Debentures; and (d) if the Debentures are prepaid on or after December 31, 2020, but prior to the maturity date, 6% of the entire outstanding principal balance of the Debentures. The terms of the February 2019 Debentures were otherwise the same as the June 2019 Debentures.  
Change in fair value of the embedded conversion feature     $ 200  
Issuance costs     $ 100  
Secured Debt [Member]        
Senior Secured Convertible Debentures (Textual)        
Coupon rate     12.75% 12.75%
Expected term     3 years 2 years 2 months 30 days
Volatility rate     18.30%  
Market rate     13.00%  
Probability of divesture     5.00%  
Probability of default     7.74% 30.97%
Risk free rate       2.26%
Recovery rate       53.99%
Fair value issuance       $ 600
Change in fair value of less than in fair value other income (expense)       $ 300
Monthly allowance, description     (iii) modified the definition of “Monthly Allowance” by increasing it from $170,000 to $221,000.  
Secured Debt [Member] | Maximum [Member]        
Senior Secured Convertible Debentures (Textual)        
Discount rate       17.66%
Secured Debt [Member] | Minimum [Member]        
Senior Secured Convertible Debentures (Textual)        
Discount rate       17.47%
Secured Debt One [Member]        
Senior Secured Convertible Debentures (Textual)        
Coupon rate     12.75%  
Expected term     1 year 9 months  
Volatility rate     84.10%  
Market rate     17.70%  
Probability of default     32.76%  
Fair value issuance       $ 400
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. 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"). 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").