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STOCK BASED COMPENSATION - Stock Options (Details) - Stock Options - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
Stock Options |  |  |
Expiration period | 10 years |  |
Shares |  |  |
Options outstanding at the beginning of the period (in shares) | 18 | 23 |
Cancelled or expired (in shares) | (7) | (5) |
Options outstanding at the end of the period (in share) | 11 | 18 | 23
Options exercisable at the end of the period (in shares) | 11 |  |
Weighted Average Exercise Price |  |  |
Options outstanding at the beginning of the period (in dollars per share) | $ 4.70 | $ 5.64 |
Cancelled or expired (in dollars per share) | 6.26 | 10.17 |
Options outstanding at the end of the period (in dollars per share) | 3.75 | $ 4.70 | $ 5.64
Options exercisable at the end of the period (in dollars per share) | $ 3.75 |  |
Weighted Average Remaining Contractual Life |  |  |
Options outstanding | 7 months 24 days | 1 year 1 month 10 days | 1 year 10 months 13 days
Options exercisable | 7 months 24 days |  |
Intrinsic value of options outstanding | $ 37 | $ 22 | $ 35
Intrinsic value of options exercisable | $ 37 |  |
Stock price | $ 7.02 | $ 5.71 |

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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 Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Number of options outstanding, including both vested and non-vested options. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(i)-(ii) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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