XML 58 R46.htm IDEA: XBRL DOCUMENT v3.7.0.1
Secured Revolving Credit Facility - Additional Information (Detail) - USD ($)
 1 Months Ended 3 Months Ended 9 Months Ended 12 Months Ended
Mar. 01, 2017
Mar. 20, 2015
Dec. 31, 2016
Nov. 30, 2016
Jul. 31, 2016
Jun. 30, 2016
Feb. 29, 2016
Jan. 31, 2016
Dec. 31, 2015
Feb. 28, 2017
May 31, 2016
Nov. 30, 2015
Aug. 31, 2015
Feb. 28, 2017
May 31, 2017
May 31, 2016
Line of Credit Facility [Line Items]                                
Net loss related to covenants     $ 1,000,000   $ 1,000,000 $ 500,000 $ 1,000,000 $ 1,000,000 $ 1,500,000   $ 500,000 $ 500,000 $ 500,000   $ 250,000  
Covenants limit on capital expenditures per year                             800,000 $ 800,000
Maximum [Member]                                
Line of Credit Facility [Line Items]                                
Covenants limit on capital expenditures per year                             $ 1,500,000 1,250,000
Secured Revolving Credit Facility [Member]                                
Line of Credit Facility [Line Items]                                
Maximum borrowing capacity   $ 10,000,000                            
Credit facility, interest rate   3.75%                            
Interest rate description                             Loan advances bear interest at 3.75% in excess of The Wall Street Journal’s published one-year LIBOR rate.  
Secured revolving credit facility term   3 years                            
Secured revolving credit facility renewal term   1 year                            
Net loss related to covenants       $ 250,000                   $ 1,750,000    
Covenants limit on capital expenditures per year   $ 600,000                           $ 800,000
Percentage of monthly bank assessment fees per annum   0.25%                           0.35%
Expected yearly net worth related to covenants                   $ 23,383,000            
Accommodation fee paid to First Business Capital $ 50,000