Quarterly report pursuant to Section 13 or 15(d)

Debt (Details)

v3.20.2
Debt (Details) - USD ($)
3 Months Ended
Feb. 28, 2020
May 22, 2019
Jun. 30, 2020
Jun. 30, 2019
May 23, 2017
Debt Instrument [Line Items]          
Interest income / (expense), net     $ (306,000) $ 18,000  
New Credit Agreement          
Debt Instrument [Line Items]          
Credit agreement, interest rate floor 1.75%        
Remaining borrowing capacity     5,000,000    
New Credit Agreement | LIBOR          
Debt Instrument [Line Items]          
Credit agreement, basis spread on variable rate 3.75%        
Credit Agreement | New Credit Agreement          
Debt Instrument [Line Items]          
Debt face amount $ 5,000,000        
Outstanding principal     0    
Credit Agreement | Western Alliance Bank          
Debt Instrument [Line Items]          
Credit agreement, total facility amount   $ 20,000,000     $ 5,000,000
Credit agreement, basis spread on variable rate   0.50%      
Credit agreement, interest rate floor   6.00%      
Term Loan | New Credit Agreement          
Debt Instrument [Line Items]          
Debt face amount 20,000,000        
Outstanding principal     $ 20,000,000    
Term Loan | New Credit Agreement | Minimum          
Debt Instrument [Line Items]          
Principal payment 250,000        
Term Loan | New Credit Agreement | Maximum          
Debt Instrument [Line Items]          
Principal payment $ 1,250,000