Quarterly report pursuant to Section 13 or 15(d)

Revolving Credit Facility (Details)

v3.5.0.2
Revolving Credit Facility (Details)
 3 Months Ended
Sep. 30, 2017
agreement
Sep. 01, 2017
agreement
Jun. 30, 2016
USD ($)
agreement
Jun. 30, 2015
USD ($)
Mar. 31, 2016
USD ($)
Revolving Credit Facility          
Restricted cash     $ 5,004,000   $ 5,002,000
Outstanding borrowings     6,077,000   $ 9,459,000
Interest expense     134,000 $ 150,000  
Amortization of deferred financing costs     $ 44,000 42,000  
Credit Facility          
Revolving Credit Facility          
Number of credit and security agreements | agreement     2    
Maximum borrowing capacity under facility     $ 20,000,000    
Previous maximum line of credit     15,000,000    
Minimum cash balance     $ 5,200,000    
Variable base rate     LIBOR    
Borrowing rate (as a percent)     4.40%   4.40%
Annual unused line fee (as a percent)     0.25%    
Interest rate with respect to letters of credit (as a percent)     1.50%    
Outstanding borrowings     $ 6,100,000   $ 9,500,000
Additional borrowing capacity under facility     12,300,000    
Interest expense     100,000 100,000  
Amortization of deferred financing costs     43,750 $ 42,000  
Credit Facility | Forecast          
Revolving Credit Facility          
Number of credit and security agreements set to expire | agreement 1 1      
Credit Facility | Minimum          
Revolving Credit Facility          
Interest floor amount     66,000    
Non-revolving capital expenditure line of credit          
Revolving Credit Facility          
Maximum borrowing capacity under facility     $ 500,000