Quarterly report pursuant to Section 13 or 15(d)

Revolving Credit Facility (Details)

v2.4.0.8
Revolving Credit Facility (Details) (USD $)
 3 Months Ended 6 Months Ended
Sep. 30, 2014
Sep. 30, 2013
Sep. 30, 2014
item
Sep. 30, 2013
Jun. 09, 2014
Mar. 31, 2014
Revolving Credit Facility            
Outstanding borrowings $ 12,196,000   $ 12,196,000     $ 13,228,000
Interest expense 144,000 176,000 287,000 362,000    
Amortization of deferred financing costs     112,000 112,000    
Credit Facility
            
Revolving Credit Facility            
Credit and security agreements     2      
Maximum borrowing capacity under facility 15,000,000   15,000,000   20,000,000  
Minimum cash balance 11,100,000   11,100,000      
Minimum covenant compliance period     12 months      
Variable base rate     LIBOR      
Borrowing rate (as a percent) 4.00%   4.00%     4.00%
Annual unused line fee (as a percent)     0.25%      
Interest rate with respect to letters of credit (as a percent)     1.50%      
Outstanding borrowings 12,200,000   12,200,000     13,200,000
Additional borrowing capacity under facility 1,700,000   1,700,000      
Interest expense 100,000 200,000 300,000 400,000    
Amortization of deferred financing costs 56,000 56,000 100,000 100,000    
Credit Facility | Minimum
            
Revolving Credit Facility            
Interest floor amount     66,000      
Non-revolving capital expense line of credit
            
Revolving Credit Facility            
Maximum borrowing capacity under facility         $ 500,000