STOCK-BASED COMPENSATION PLANS (Details) - Stock Options [Member] | 3 Months Ended | 12 Months Ended |
Mar. 31, 2016USD ($)Administrator$ / sharesshares | Mar. 31, 2015shares | Dec. 31, 2015USD ($)$ / sharesshares |
Options outstanding [Rollforward] | | | |
Outstanding, beginning balance (in shares) | shares | 455,666 | | |
Granted (in shares) | shares | 95,000 | 0 | |
Cancelled (in shares) | shares | (6,000) | | |
Outstanding, ending balance (in shares) | shares | 544,666 | | 455,666 |
Exercisable (in shares) | shares | 312,672 | | |
Options weighted average exercise price [Roll Forward] | | | |
Outstanding, beginning balance (in dollars per share) | $ 16.82 | | |
Granted (in dollars per share) | 10.11 | | |
Cancelled (in dollars per share) | 12.74 | | |
Outstanding, ending balance (in dollars per share) | 15.70 | | $ 16.82 |
Exercisable (in dollars per share) | $ 17.78 | | |
Options, additional disclosures [Abstract] | | | |
Outstanding, weighted average remaining contractual term | 4 years 4 months 24 days | | 4 years 2 months 12 days |
Outstanding, aggregate intrinsic value | $ | $ 0 | | $ 0 |
Exercisable, weighted average remaining contractual term | 3 years 2 months 12 days | | |
Exercisable, aggregate intrinsic value | $ | $ 0 | | |
Total unrecognized compensation expense | $ | $ 281,000 | | |
Weighted average period for recognition | 2 years 6 months 18 days | | |
Minimum [Member] | | | |
Range of Exercise Prices [Abstract] | | | |
Outstanding, beginning of period (in dollars per share) | $ 12.55 | | |
Granted (in dollars per share) | 10.04 | | |
Cancelled (in dollars per share) | 12.74 | | |
Outstanding, end of period (in dollars per share) | 10.04 | | $ 12.55 |
Exercisable (in dollars per share) | 12.55 | | |
Maximum [Member] | | | |
Range of Exercise Prices [Abstract] | | | |
Outstanding, beginning of period (in dollars per share) | 19.75 | | |
Granted (in dollars per share) | 11.11 | | |
Cancelled (in dollars per share) | 12.74 | | |
Outstanding, end of period (in dollars per share) | 19.75 | | $ 19.75 |
Exercisable (in dollars per share) | $ 19.75 | | |
2005 Plan [Member] | | | |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | | | |
Shares available for issuance (in shares) | shares | 0 | | |
Vested options (in shares) | shares | 312,672 | | |
Unvested options (in shares) | shares | 131,994 | | |
2015 Equity Incentive Plan [Member] | | | |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | | | |
Shares available for issuance (in shares) | shares | 100,000 | | |
Minimum number of plan administrators | Administrator | 2 | | |
Unvested options (in shares) | shares | 100,000 | | |
Maximum number of shares of Common Stock that can be delivered under the plan (in shares) | shares | 200,000 | | |
Options, additional disclosures [Abstract] | | | |
Weighted average grant date fair value of options (in dollars per share) | $ 1.74 | | |