Quarterly report pursuant to Section 13 or 15(d)

Basis of Presentation (Details)

v3.10.0.1
Basis of Presentation (Details) - USD ($)
3 Months Ended 9 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2018
Dec. 31, 2017
Mar. 31, 2018
Mar. 31, 2017
Reconciliation of total cash, cash equivalents and restricted cash            
Cash and cash equivalents $ 10,681,000   $ 10,681,000   $ 14,408,000  
Restricted cash 6,000,000   6,000,000   5,000,000  
Total cash, cash equivalents and restricted cash 16,681,000 $ 16,522,000 16,681,000 $ 16,522,000 19,408,000 $ 19,705,000
Net loss 3,450,000 323,000 12,704,000 8,083,000    
Cash received (used) in operating activities     (12,597,000) (9,168,000)    
Cash, cash equivalents and restricted cash 16,681,000 $ 16,522,000 16,681,000 $ 16,522,000 19,408,000 $ 19,705,000
Outstanding borrowings 10,736,000   10,736,000   $ 8,527,000  
Credit Facility            
Reconciliation of total cash, cash equivalents and restricted cash            
Restricted cash 6,000,000   6,000,000      
Doubt about Company’s ability to meet obligations for next 12 months            
Reconciliation of total cash, cash equivalents and restricted cash            
Total cash, cash equivalents and restricted cash 16,700,000   16,700,000      
Net loss 3,500,000          
Cash received (used) in operating activities (2,000)          
Cash, cash equivalents and restricted cash 16,700,000   16,700,000      
Doubt about Company’s ability to meet obligations for next 12 months | Turbine International, LLC            
Reconciliation of total cash, cash equivalents and restricted cash            
Cash received (used) in operating activities 400,000          
Doubt about Company’s ability to meet obligations for next 12 months | Credit Facility            
Reconciliation of total cash, cash equivalents and restricted cash            
Outstanding borrowings $ 10,700,000   $ 10,700,000