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Fair Value Measurements (Tables)
6 Months Ended
Sep. 30, 2019
Fair Value Disclosures [Abstract]  
Schedule of fair value of financial liabilities are measured at fair value on a recurring basis

   September 30, 2019 
   Fair   Hierarchy Level 
   Value   Level 1   Level 2   Level 3 
Liabilities:                
Bifurcated embedded derivative on senior secured convertible debentures  $392   $-   $-   $392 

 

   March 31, 2019 
   Fair   Hierarchy Level 
   Value   Level 1   Level 2   Level 3 
Liabilities:                
Bifurcated embedded derivative on senior secured convertible debentures  $586   $-   $-   $586
Schedule of derivative instruments

   Amount 
Balance as of March 31, 2019  $586 
Total fair value adjustments reported in earnings   (194)
Balance as of September 30, 2019  $392 

Schedule of fair value measurement option for financial assets or liabilities

   September 30, 2019 
   Carrying   Hierarchy Level 
   Value   Level 1   Level 2   Level 3 
Assets:                
Cash and cash equivalents  $16,053   $16,053   $-   $- 
Restricted cash   235    235    -    - 
Liabilities:                    
Note payable   322    -    -    322 
Senior secured convertible debentures, net   10,516    -    -    11,196 
Unsecured convertible notes payable, net   4,928    -    -    5,022 

 

    March 31, 2019  
    Carrying     Hierarchy Level  
    Value     Level 1     Level 2     Level 3  
Assets:                                
Cash and cash equivalents   $ 13,704     $ 13,704     $          -     $ -  
Restricted cash     235       235       -       -  
Liabilities:                                
Note payable     312       -       -       312  
Senior secured convertible debentures, net     11,809       -       -       13,737  
Unsecured convertible notes payable, net     4,741       -       -       8,844