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, 2013
Sep. 30, 2012
Sep. 30, 2013
Sep. 30, 2012
Mar. 31, 2013
Revolving Credit Facility          
Outstanding borrowings $ 11,796,000   $ 11,796,000   $ 13,476,000
Interest expense 176,000 128,000 362,000 319,000  
Amortization of deferred financing costs     112,000 37,000  
Credit Facility
         
Revolving Credit Facility          
Maximum borrowing capacity under facility 15,000,000   15,000,000    
Minimum monthly requirement to maintain cash balance for outstanding line of credit 16,600,000   16,600,000    
Minimum covenant compliance period     12 months    
Variable base rate     LIBOR    
Borrowing rate (as a percent) 4.00%   4.00%   5.40%
Origination fees     56,000    
Annual unused line fee (as a percent)     0.25%    
Interest rate with respect to letters of credit (as a percent)     1.50%    
Outstanding borrowings 11,800,000   11,800,000   13,500,000
Interest expense 200,000 200,000 400,000 400,000  
Amortization of deferred financing costs 100,000 18,300 100,000 36,600  
Credit Facility | Minimum
         
Revolving Credit Facility          
Interest floor amount     $ 66,000