Shares of Common Stock in Satisfaction of Previously Accrued Liabilities (Detail) (USD $)	12 Months Ended
	Dec. 31, 2012
Summary Of Common Stock Issued In Satisfaction Of Previously Accrued Liabilities [Line Items]
Issuance of common stock for services, shares	215,325
Issuance of common stock for services, value	$ 0.59
Stock Issued During Period, Value, Restricted Stock Award, Net of Forfeitures	246,943
Related party consulting services in June 2012
Summary Of Common Stock Issued In Satisfaction Of Previously Accrued Liabilities [Line Items]
Issuance of common stock for services, shares	85,000
Issuance of common stock for services, value	0.59
Stock Issued During Period, Value, Restricted Stock Award, Net of Forfeitures	50,000
Accrued Interest On Unrelated Party Notes Payable
Summary Of Common Stock Issued In Satisfaction Of Previously Accrued Liabilities [Line Items]
Issuance of common stock for services, shares	7,750
Issuance of common stock for services, value	1.35
Stock Issued During Period, Value, Restricted Stock Award, Net of Forfeitures	10,463
Unrelated Party Consulting
Summary Of Common Stock Issued In Satisfaction Of Previously Accrued Liabilities [Line Items]
Issuance of common stock for services, shares	6,000
Issuance of common stock for services, value	1.08
Stock Issued During Period, Value, Restricted Stock Award, Net of Forfeitures	6,480
Fees for second quarter of 2011 | Director
Summary Of Common Stock Issued In Satisfaction Of Previously Accrued Liabilities [Line Items]
Issuance of common stock for services, shares	5,769
Issuance of common stock for services, value	5.20
Stock Issued During Period, Value, Restricted Stock Award, Net of Forfeitures	30,000
Fees for third quarter of 2011 | Director
Summary Of Common Stock Issued In Satisfaction Of Previously Accrued Liabilities [Line Items]
Issuance of common stock for services, shares	10,000
Issuance of common stock for services, value	3.00
Stock Issued During Period, Value, Restricted Stock Award, Net of Forfeitures	30,000
Fees for fourth quarter of 2011 | Director
Summary Of Common Stock Issued In Satisfaction Of Previously Accrued Liabilities [Line Items]
Issuance of common stock for services, shares	22,058
Issuance of common stock for services, value	1.36
Stock Issued During Period, Value, Restricted Stock Award, Net of Forfeitures	30,000
Fees for first quarter of 2012 | Director
Summary Of Common Stock Issued In Satisfaction Of Previously Accrued Liabilities [Line Items]
Issuance of common stock for services, shares	27,778
Issuance of common stock for services, value	1.08
Stock Issued During Period, Value, Restricted Stock Award, Net of Forfeitures	30,000
Fees for January 2012 | Related party executive, administrative and operational services
Summary Of Common Stock Issued In Satisfaction Of Previously Accrued Liabilities [Line Items]
Issuance of common stock for services, shares	11,538
Issuance of common stock for services, value	1.30
Stock Issued During Period, Value, Restricted Stock Award, Net of Forfeitures	15,000
Fees for February 2012 | Related party executive, administrative and operational services
Summary Of Common Stock Issued In Satisfaction Of Previously Accrued Liabilities [Line Items]
Issuance of common stock for services, shares	12,500
Issuance of common stock for services, value	1.20
Stock Issued During Period, Value, Restricted Stock Award, Net of Forfeitures	15,000
Fees for March 2012 | Related party executive, administrative and operational services
Summary Of Common Stock Issued In Satisfaction Of Previously Accrued Liabilities [Line Items]
Issuance of common stock for services, shares	13,890
Issuance of common stock for services, value	1.08
Stock Issued During Period, Value, Restricted Stock Award, Net of Forfeitures	15,000
Fees for April 2012 | Related party executive, administrative and operational services
Summary Of Common Stock Issued In Satisfaction Of Previously Accrued Liabilities [Line Items]
Issuance of common stock for services, shares	13,042
Issuance of common stock for services, value	1.15
Stock Issued During Period, Value, Restricted Stock Award, Net of Forfeitures	$ 15,000