Annual report pursuant to Section 13 and 15(d)

Annual report pursuant to Section 13 and 15(d)

Equity Transactions - Roll Forward of RSU Activity (Detail)

v3.3.1.900
Equity Transactions - Roll Forward of RSU Activity (Detail) - $ / shares
12 Months Ended
Apr. 15, 2014
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]        
Number of Warrants or restricted shares, Nonvested, Ending balance   120,000    
Restricted Stock [Member]        
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]        
Number of Warrants or restricted shares, Nonvested, Beginning balance   128,375 8,000 40,000
Number of restricted shares, Granted 125,000 11,440 138,500  
Number of restricted shares, Vested   (12,820) (18,125) (32,000)
Number of Warrants or restricted shares, Nonvested, Ending balance   126,995 128,375 8,000
Weighted average grant date fair value, Nonvested, Beginning balance   $ 3.06 $ 1.44 $ 1.44
Weighted average grant date fair value, Granted $ 3.05 5.08 3.07  
Weighted average grant date fair value, Vested   4.56 2.45 1.44
Weighted average grant date fair value, Nonvested, Ending balance   $ 3.10 $ 3.06 $ 1.44