Notes and Advances Payable (Detail) (USD $)	Sep. 30, 2013	Dec. 31, 2012
Notes Payable [Line Items]
Less: Current portion of officers, directors, and affiliates	$ 926,638	$ 508,991
Long-term portion of officers, directors, and affiliates	150,000
Less: Current portion of unrelated parties	625,000	250,000
Long-term portion of unrelated parties	150,000
Burlingame Equity Investors II, LP
Notes Payable [Line Items]
Less: Current portion of unrelated parties	48,000
Burlingame Equity Investors Master Fund, LP
Notes Payable [Line Items]
Less: Current portion of unrelated parties	552,000
Officers directors and affiliates
Notes Payable [Line Items]
Notes and advances payable, related parties	1,076,638	508,991
Less: Current portion of officers, directors, and affiliates	926,638	508,991
Long-term portion of officers, directors, and affiliates	150,000
Officers directors and affiliates | Notes and advances payable, interest at 8.0%, due on demand
Notes Payable [Line Items]
Notes and advances payable, related parties	14,234	12,882
Officers directors and affiliates | Notes and advances payable, interest at 9.7%, due on demand
Notes Payable [Line Items]
Notes and advances payable, related parties	85,000	85,000
Officers directors and affiliates | Note payable, interest at 12.0%, due March 2013
Notes Payable [Line Items]
Notes and advances payable, related parties	150,000	150,000
Officers directors and affiliates | Collateralized note payable
Notes Payable [Line Items]
Notes and advances payable, related parties	827,404	261,109
Unrelated Parties
Notes Payable [Line Items]
Notes and advances payable, unrelated parties	775,000	250,000
Less: Current portion of unrelated parties	625,000	250,000
Long-term portion of unrelated parties	150,000
Unrelated Parties | Notes payable, interest at 7.5 %, due March 2015
Notes Payable [Line Items]
Notes and advances payable, unrelated parties	225,000	250,000
Unrelated Parties | Notes payable, interest at 7.0%, due July 2014 | Burlingame Equity Investors II, LP
Notes Payable [Line Items]
Notes and advances payable, unrelated parties	44,000
Unrelated Parties | Notes payable, interest at 7.0%, due July 2014 | Burlingame Equity Investors Master Fund, LP
Notes Payable [Line Items]
Notes and advances payable, unrelated parties	$ 506,000