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COMMON STOCK AND STOCK INCENTIVE PLANS - Significant Ranges of Outstanding and Exercisable Stock Options (Details) | 12 Months Ended
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Dec. 31, 2016 $ / shares shares
Options exercisable and vested and expected to vest at the end of the period |
Number of options exercisable (in shares) | shares | 274,748
Weighted-average exercise price per share of options exercisable (in dollars per share) | $ 3.29
Number of options vested and expected to vest (in shares) | shares | 604,680
Weighted-average exercise price per share of options vested and expected to vest (in dollars per share) | $ 2.78
Exercise Price Range from Dollars 2.24 to 2.24 |
Exercise Price Range |
Exercise price, low end of range (in dollars per share) | 2.24
Exercise price, high end of range (in dollars per share) | $ 2.24
Stock Options Outstanding |
Number outstanding (in shares) | shares | 266,600
Weighted-average remaining contractual life | 6 years 29 days
Weighted-average exercise price per share (in dollars per share) | $ 2.24
Stock Options Exercisable |
Number Exercisable (in shares) | shares | 0
Weighted-average exercise price per share (in dollars per share) | $ 0.00
Exercise Price Range from Dollars 2.70 to 2.70 |
Exercise Price Range |
Exercise price, low end of range (in dollars per share) | 2.70
Exercise price, high end of range (in dollars per share) | $ 2.70
Stock Options Outstanding |
Number outstanding (in shares) | shares | 26,666
Weighted-average remaining contractual life | 7 years 10 months 28 days
Weighted-average exercise price per share (in dollars per share) | $ 2.70
Stock Options Exercisable |
Number Exercisable (in shares) | shares | 13,334
Weighted-average exercise price per share (in dollars per share) | $ 2.70
Exercise Price Range from Dollars 2.87 to 2.87 |
Exercise Price Range |
Exercise price, low end of range (in dollars per share) | 2.87
Exercise price, high end of range (in dollars per share) | $ 2.87
Stock Options Outstanding |
Number outstanding (in shares) | shares | 100,000
Weighted-average remaining contractual life | 7 years 7 months 21 days
Weighted-average exercise price per share (in dollars per share) | $ 2.87
Stock Options Exercisable |
Number Exercisable (in shares) | shares | 50,000
Weighted-average exercise price per share (in dollars per share) | $ 2.87
Exercise Price Range from Dollars 2.97 to 2.97 |
Exercise Price Range |
Exercise price, low end of range (in dollars per share) | 2.97
Exercise price, high end of range (in dollars per share) | $ 2.97
Stock Options Outstanding |
Number outstanding (in shares) | shares | 26,666
Weighted-average remaining contractual life | 2 years 9 months 29 days
Weighted-average exercise price per share (in dollars per share) | $ 2.97
Stock Options Exercisable |
Number Exercisable (in shares) | shares | 26,666
Weighted-average exercise price per share (in dollars per share) | $ 2.97
Exercise Price Range from Dollars 3.21 to 3.21 |
Exercise Price Range |
Exercise price, low end of range (in dollars per share) | 3.21
Exercise price, high end of range (in dollars per share) | $ 3.21
Stock Options Outstanding |
Number outstanding (in shares) | shares | 166,666
Weighted-average remaining contractual life | 11 days
Weighted-average exercise price per share (in dollars per share) | $ 3.21
Stock Options Exercisable |
Number Exercisable (in shares) | shares | 166,666
Weighted-average exercise price per share (in dollars per share) | $ 3.21
Exercise Price Range from Dollars 4.17 to 4.17 |
Exercise Price Range |
Exercise price, low end of range (in dollars per share) | 4.17
Exercise price, high end of range (in dollars per share) | $ 4.17
Stock Options Outstanding |
Number outstanding (in shares) | shares | 2,721
Weighted-average remaining contractual life | 1 year 8 months 1 day
Weighted-average exercise price per share (in dollars per share) | $ 4.17
Stock Options Exercisable |
Number Exercisable (in shares) | shares | 2,721
Weighted-average exercise price per share (in dollars per share) | $ 4.17
Exercise Price Range from Dollars 6.51 to 6.51 |
Exercise Price Range |
Exercise price, low end of range (in dollars per share) | 6.51
Exercise price, high end of range (in dollars per share) | $ 6.51
Stock Options Outstanding |
Number outstanding (in shares) | shares | 15,361
Weighted-average remaining contractual life | 9 months
Weighted-average exercise price per share (in dollars per share) | $ 6.51
Stock Options Exercisable |
Number Exercisable (in shares) | shares | 15,361
Weighted-average exercise price per share (in dollars per share) | $ 6.51
Exercise Price Range from Dollars 2.24 to 6.51 |
Exercise Price Range |
Exercise price, low end of range (in dollars per share) | 2.24
Exercise price, high end of range (in dollars per share) | $ 6.51
Stock Options Outstanding |
Number outstanding (in shares) | shares | 604,680
Weighted-average remaining contractual life | 4 years 5 months 12 days
Weighted-average exercise price per share (in dollars per share) | $ 2.780000
Stock Options Exercisable |
Number Exercisable (in shares) | shares | 274,748
Weighted-average exercise price per share (in dollars per share) | $ 3.290000

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- Definition The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iii) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iii) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition As of the balance sheet date, the number of shares into which fully vested and expected to vest stock options outstanding can be converted under the option plan. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The floor of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The number of shares reserved for issuance pertaining to the outstanding exercisable stock options as of the balance sheet date in the customized range of exercise prices for which the market and performance vesting condition has been satisfied. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(iii) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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