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Summary of Stock Option Plans and Changes (Detail) (USD $)
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1 Months Ended | 9 Months Ended | 12 Months Ended |
|---|---|---|---|
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Mar. 16, 2012
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Sep. 30, 2013
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Dec. 31, 2012
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| Number of options | |||
| Balances at beginning of period, Number of shares | 200,000 | ||
| Granted, Number of shares | 200,000 | ||
| Exercised, Number of shares | |||
| Forfeited, Number of shares | |||
| Balances at End of period, Number of shares | 200,000 | 200,000 | |
| Exercisable, September 30, 2013 | 200,000 | ||
| Weighted Average Exercise Price (per share) | |||
| Options outstanding at beginning of period | $ 3.05 | ||
| Granted | $ 3.05 | ||
| Exercised | |||
| Forfeited | |||
| Options outstanding end of period | $ 3.05 | $ 3.05 | |
| Exercisable, Weighted average exercise price | $ 3.05 | ||
| Weighted Average Remaining Contractual Life | |||
| Options outstanding at end of period | 3 years 6 months | 4 years 2 months 12 days | |
| Options exercisable at end of period | 3 years 6 months | ||
| Intrinsic Value | |||
| Options outstanding at end of period | |||
| Options exercisable at end of period |