Annual report pursuant to Section 13 and 15(d)

Revolving Credit Facility (Details)

v3.19.2
Revolving Credit Facility (Details)
12 Months Ended
Jun. 02, 2017
USD ($)
agreement
Mar. 31, 2019
USD ($)
Mar. 31, 2018
USD ($)
Jun. 01, 2018
USD ($)
Revolving Credit Facility        
Outstanding borrowings     $ 8,527,000  
Interest expense   $ 1,502,000 606,000  
Amortization of deferred financing costs   311,000 202,000  
Bridge Bank        
Revolving Credit Facility        
Number of secured credit facilities | agreement 2      
Term of credit agreements 2 years      
Maximum borrowings as a percent of cash held 85.00%      
Bridge Bank | Prime Rate        
Revolving Credit Facility        
Variable base rate prime rate      
Interest margin on variable rate 1.50%      
Credit Facility        
Revolving Credit Facility        
Outstanding borrowings   30,000,000    
Credit Facility | Wells Fargo        
Revolving Credit Facility        
Interest expense     200,000  
Amortization of deferred financing costs     $ 100,000  
Credit Facility | Bridge Bank        
Revolving Credit Facility        
Maximum borrowing capacity under facility $ 12,000,000      
Borrowing rate (as a percent)     6.30%  
Outstanding borrowings   0 $ 8,500,000  
Interest expense   700,000 400,000  
Amortization of deferred financing costs   100,000 100,000  
Restricted cash equivalents for credit facility $ 5,000,000      
Origination fees   200,000    
Amount available for additional borrowing     $ 3,500,000  
Facility fee percentage     0.625%  
Cash collateral percentage     42.00%  
Accelerated amortization   $ 200,000    
Letter Agreement | Bridge Bank        
Revolving Credit Facility        
Maximum borrowing capacity under facility       $ 15,000,000
Restricted cash       $ 6,000,000
Interest rate (as a percent)       1.00%
Facility fee percentage       0.50%
Cash collateral percentage       40.00%
Domestic Facility | Bridge Bank        
Revolving Credit Facility        
Maximum borrowings as a percent of cash held   85.00%