Quarterly report pursuant to Section 13 or 15(d)

Summary of Stock Option Activity (Detail)

v2.4.0.8
Summary of Stock Option Activity (Detail) (USD $)
0 Months Ended 3 Months Ended 9 Months Ended
Apr. 22, 2014
Sep. 30, 2014
Sep. 30, 2014
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Shares Available for Future Grant, Beginning Balance     680,953
Shares Available for Future Grant, Options granted at market     (52,500)
Shares Available for Future Grant, Options exercised     0
Shares Available for Future Grant, Options forfeited or expired     8,000
Shares Available for Future Grant, Ending Balance   636,453 636,453
Number of Shares Outstanding Under Option, Beginning Balance     407,020
Number of Shares Outstanding Under Option, Options granted at market 52,500 0 52,500
Number of Shares Outstanding Under Option, Options exercised   0   
Number of Shares Outstanding Under Option, Options forfeited or expired     (8,000)
Number of Shares Outstanding Under Option, Ending Balance   451,520 451,520
Weighted Average Exercise Price, Beginning Balance     $ 4.52
Weighted Average Exercise Price , Options granted at market $ 3.02   $ 2.32
Weighted Average Exercise Price, Options exercised       
Weighted Average Exercise Price, Options forfeited or expired     $ 3.54
Weighted Average Exercise Price, Ending Balance   $ 4.33 $ 4.33