Annual report pursuant to Section 13 and 15(d)

Long-Term Debt - Additional Information (Details)

v3.6.0.2
Long-Term Debt - Additional Information (Details) - JP Morgan Chase Debt - USD ($)
6 Months Ended 12 Months Ended
Nov. 30, 2014
Jun. 30, 2016
Dec. 31, 2016
Debt Instrument [Line Items]      
Tangible net worth     $ 181,847,000
Tangible net worth, required $ 90,000,000   90,000,000
Earnings before interest, taxes, depreciation and amortization     43,583,000
Earnings before interest, taxes, depreciation and amortization, required 10,000,000 $ 12,500,000 12,500,000
Amount that can be paid for dividends, share repurchase or acquisitions     1,000,000
Available debt capacity     $ 15,000,000
Secured Credit Facility      
Debt Instrument [Line Items]      
Maximum borrowing capacity $ 15,000,000    
Percentage of margin rate 1.25%