Annual report pursuant to Section 13 and 15(d)

Intangible Assets (Details Textual)

v3.21.1
Intangible Assets (Details Textual) - USD ($)
3 Months Ended 12 Months Ended
Sep. 30, 2019
Mar. 31, 2021
Mar. 31, 2020
Dec. 31, 2019
Goodwill [Line Items]        
Finite-Lived Intangible Asset, Useful Life   5 years    
Payments to Acquire Productive Assets $ 1,000,000.0      
FuturecashpaymentforAcquiredIntangbeAsset.     $ 300,000 $ 1,000,000.0
Intangibles amortization   $ 903,000 1,233,000  
Long-lived assets impairment   525,000 1,007,000  
cost of revenue        
Goodwill [Line Items]        
Intangibles amortization   $ 158,000 260,000  
Minimum [Member]        
Goodwill [Line Items]        
Finite-Lived Intangible Asset, Useful Life   2 years    
Maximum [Member]        
Goodwill [Line Items]        
Finite-Lived Intangible Asset, Useful Life   10 years    
ISM [Member]        
Goodwill [Line Items]        
Long-lived assets impairment   $ 0 $ 0