Annual report pursuant to Section 13 and 15(d)

Revolving Credit Facility (Details)

v2.4.0.8
Revolving Credit Facility (Details) (USD $)
 12 Months Ended
Mar. 31, 2014
item
Mar. 31, 2013
Mar. 31, 2012
Jun. 09, 2014
Revolving Credit Facility        
Outstanding borrowings $ 13,228,000 $ 13,476,000    
Interest expense 712,000 717,000 857,000  
Amortization of deferred financing costs 223,000 148,000 169,000  
Credit Facility
        
Revolving Credit Facility        
Credit and security agreements 2      
Maximum borrowing capacity under facility 15,000,000     20,000,000
Minimum cash balance 18,400,000      
Minimum covenant compliance period 12 months      
Variable base rate LIBOR      
Borrowing rate (as a percent) 4.00% 5.40%    
Origination fees 100,000      
Annual unused line fee (as a percent) 0.25%      
Interest rate with respect to letters of credit (as a percent) 1.50%      
Outstanding borrowings 13,200,000 13,500,000    
Additional borrowing capacity under facility 300,000      
Interest expense 700,000 700,000 800,000  
Amortization of deferred financing costs 200,000 100,000 200,000  
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