Quarterly report pursuant to Section 13 or 15(d)

Line of Credit, Short-Term and Long-Term Borrowings - Long-Term Borrowings (Parenthetical) (Detail)

v2.4.0.8
Line of Credit, Short-Term and Long-Term Borrowings - Long-Term Borrowings (Parenthetical) (Detail) (USD $)
 9 Months Ended
Sep. 30, 2014
Note payable to bank one [Member]
  
Debt Instrument [Line Items]  
Monthly repayment installment of note payable $ 338,400
Variable interest rate of note payable 3.90%
Balloon payment required under note payable 77,060,000
Due date for note payable 2015-10
Frequency of periodic payment Monthly
Note payable to bank two [Member]
  
Debt Instrument [Line Items]  
Monthly repayment installment of note payable 531,400
Fixed interest rate of note payable 3.54%
Balloon payment required under note payable 12,635,000
Due date for note payable 2015-12
Frequency of periodic payment Monthly
Note payable to bank three [Member]
  
Debt Instrument [Line Items]  
Monthly repayment installment of note payable 483,900
Fixed interest rate of note payable 3.19%
Balloon payment required under note payable 11,670,000
Due date for note payable 2016-06
Frequency of periodic payment Monthly
Notes Payable, Other Payables [Member]
  
Debt Instrument [Line Items]  
Monthly repayment installment of note payable $ 30,500
Fixed interest rate of note payable 5.24%
Due date for note payable 2019-07
Frequency of periodic payment Monthly