STOCK-BASED COMPENSATION - Summary of Status of Company's Stock Option Plans and Changes (Detail) - $ / shares
|
12 Months Ended |
Dec. 31, 2015 |
Dec. 31, 2014 |
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
| Balances at beginning of period, Number of Shares |
3,628,000
|
2,305,000
|
| Number of Shares Options Granted |
1,151,500
|
1,573,000
|
| Number of Shares Options Exercised |
0
|
0
|
| Number of Shares Options Cancelled |
(223,333)
|
(250,000)
|
| Number of Shares Options Forfeited |
(293,001)
|
|
| Balances at End of period, Number of shares |
4,263,166
|
3,628,000
|
| Number of Shares Options vested and exercisable |
1,915,827
|
|
| Weighted Average Exercise Price Outstanding Beginning of period |
$ 3.64
|
$ 3.96
|
| Weighted Average Exercise Price Options Granted |
1.18
|
3.22
|
| Weighted Average Exercise Price Options Exercised |
0
|
0
|
| Weighted Average Exercise Price Options Cancelled |
3.98
|
3.98
|
| Weighted Average Exercise Price Options Forfeited |
2.95
|
|
| Weighted Average Exercise Price Outstanding end of period |
3.01
|
$ 3.64
|
| Weighted Average Exercise Price Options vested and exercisable |
$ 3.58
|
|