Potential Dilutive Securities (Detail)	6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012
Earnings Per Share Basic And Diluted [Line Items]
Total potentially dilutive securities	10,369,546	3,095,077
Restricted stock
Earnings Per Share Basic And Diluted [Line Items]
Total potentially dilutive securities	20,000	34,000
Warrants
Earnings Per Share Basic And Diluted [Line Items]
Total potentially dilutive securities	4,677,074	238,690
Options
Earnings Per Share Basic And Diluted [Line Items]
Total potentially dilutive securities	458,750	453,750
Escrow shares
Earnings Per Share Basic And Diluted [Line Items]
Total potentially dilutive securities	0	691,373
Convertible Debt
Earnings Per Share Basic And Diluted [Line Items]
Total potentially dilutive securities	3,536,458	0
Convertible preferred stock
Earnings Per Share Basic And Diluted [Line Items]
Total potentially dilutive securities	1,677,264	1,677,264