Quarterly report pursuant to Section 13 or 15(d)

Customer Concentrations and Accounts Receivable - Accounts Receivable (Details)

v3.19.2
Customer Concentrations and Accounts Receivable - Accounts Receivable (Details)
 3 Months Ended 12 Months Ended
Jun. 05, 2018
USD ($)
payment
Oct. 13, 2017
USD ($)
payment
Jun. 30, 2019
USD ($)
Jun. 30, 2018
USD ($)
Mar. 31, 2019
USD ($)
Mar. 31, 2018
USD ($)
Mar. 31, 2015
USD ($)
Distribution and Accounts Receivable Assignment Agreements              
Reduction in accounts receivable allowances       $ 3,000      
Net bad debt expense (recovery)       $ (2,800)      
BPC              
Distribution and Accounts Receivable Assignment Agreements              
Accounts receivable     $ 4,800,000       $ 8,100,000
Total collections on accounts receivable allowance     1,800,000        
Accounts Receivable Assignment Agreement | Turbine International, LLC              
Distribution and Accounts Receivable Assignment Agreements              
Total consideration receivable   $ 2,500,000          
Number of payments to be received | payment   3          
Reduction in accounts receivable allowances           $ 1,000,000  
Payments due     300,000   $ 400,000    
Total collections on accounts receivable allowance     $ 1,500,000        
Promissory Note Agreement | Turbine International, LLC              
Distribution and Accounts Receivable Assignment Agreements              
Total consideration receivable   $ 3,800,000          
Number of payments to be received | payment   35          
Term of payments   3 years          
Amended Assignment Agreement | Turbine International, LLC              
Distribution and Accounts Receivable Assignment Agreements              
Total consideration receivable $ 1,500,000            
Number of payments to be received | payment 5            
Amended Note Agreement | Turbine International, LLC              
Distribution and Accounts Receivable Assignment Agreements              
Total consideration receivable $ 3,800,000            
Number of payments to be received | payment 13            
Term of payments 3 years