Notes and Advances Payable (Parenthetical) (Detail)	12 Months Ended
	Dec. 31, 2014	Jun. 23, 2013
Notes Payable [Line Items]
Notes and advances payable, interest rate	7.00%	7.00%
Note payable, interest at 7.0%, due August 2016
Notes Payable [Line Items]
Notes and advances payable, interest rate	7.00%
Officers directors and affiliates | Notes and advances payable, interest at 8.0%, due on demand
Notes Payable [Line Items]
Notes and advances payable, interest rate	8.00%
Officers directors and affiliates | Notes and advances payable, interest at 9.7%, due on demand
Notes Payable [Line Items]
Notes and advances payable, interest rate	9.70%
Officers directors and affiliates | Note payable, interest at 7.50%, due March 2015 Extended to March 2016
Notes Payable [Line Items]
Notes and advances payable, interest rate	7.50%
Officers directors and affiliates | Notes payable, interest 7.0%, due December 2017
Notes Payable [Line Items]
Notes and advances payable, interest rate	7.00%
Notes and advances payable, maturity period	2017-10
Unrelated Parties | Note payable, interest at 7.50%, due March 2015 Extended to March 2016
Notes Payable [Line Items]
Notes and advances payable, interest rate	7.50%
Unrelated Parties | Note payable, interest at 7.0%, due August 2016
Notes Payable [Line Items]
Notes and advances payable, interest rate	7.00%
Notes and advances payable, maturity period	2016-08
Unrelated Parties | Notes payable, interest at 7.0%, due January 2017 | Burlingame Equity Investors II, LP
Notes Payable [Line Items]
Notes and advances payable, interest rate	7.00%
Notes and advances payable, maturity period	2017-01
Unrelated Parties | Notes payable, interest at 7.0%, due January 2015 | Burlingame Equity Investors Master Fund, LP
Notes Payable [Line Items]
Notes and advances payable, interest rate	7.00%
Notes and advances payable, maturity period	2015-04
Minimum | Officers directors and affiliates | Note payable, interest at 7.50%, due March 2015 Extended to March 2016
Notes Payable [Line Items]
Notes and advances payable, maturity period	2015-03
Minimum | Unrelated Parties | Note payable, interest at 7.50%, due March 2015 Extended to March 2016
Notes Payable [Line Items]
Notes and advances payable, maturity period	2015-03
Maximum | Officers directors and affiliates | Note payable, interest at 7.50%, due March 2015 Extended to March 2016
Notes Payable [Line Items]
Notes and advances payable, maturity period	2016-03
Maximum | Unrelated Parties | Note payable, interest at 7.50%, due March 2015 Extended to March 2016
Notes Payable [Line Items]
Notes and advances payable, maturity period	2016-03