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WARRANT (Details) - USD ($) |  |  |  | 12 Months Ended |
--- | --- | --- | --- | --- | ---
Feb. 04, 2019 | Nov. 18, 2009 | Feb. 27, 2009 | Dec. 31, 2018 | Feb. 08, 2019
Summary of Warrants [Line Items] |  |  |  |  |
Number of shares to be purchased by warrant (in shares) |  |  | 396,538 |  |
Purchase price of equity |  |  | $ 56,044,000 |  |
Expected term |  |  | 10 years |  |
Exercise price (in USD per share) |  |  | $ 21.20 |  |
Share price (in USD per share) |  |  | 17.45 |  |
Warrant exercise price (in USD per share) |  |  | $ 21.20 | $ 13.3503 |
Risk free interest rate |  |  | 3.02% |  |
Warrant expected life |  |  | 10 years |  |
Expected dividend rate |  |  | 4.5759% |  |
Volatility of common stock |  |  | 41.8046% |  |
Fair value of warrants (in USD per share) | $ 45.74 |  | $ 4.4433 |  |
Adjustments to shares issuable upon exercise of warrants (in shares) |  | 198,269 |  |  |
Shares issuable upon exercise of warrants (in shares) |  |  |  | 314,846 |
Cost to exercise warrant | $ 4,200,000 |  |  |  |
Number of shares of common stock for warrants (in shares) | $ 91,894 |  |  |  |
Number of shares warrant holder is entitled too (in shares) | 315,961 |  |  |  | 224,066
Series A Preferred Stock |  |  |  |  |
Summary of Warrants [Line Items] |  |  |  |  |
Warrants issued (in shares) |  |  | 56,044 |  |

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- Definition Number of shares of common stock on warrants exercises. + References No definition available. + Details
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- Definition Number of securities into which the class of warrant or right may be converted. For example, but not limited to, 500,000 warrants may be converted into 1,000,000 shares. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=123467817&loc=d3e21475-112644 + Details
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- Definition Total number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) issued to shareholders (includes related preferred shares that were issued, repurchased, and remain in the treasury). May be all or portion of the number of preferred shares authorized. Excludes preferred shares that are classified as debt. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(28)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 13 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123467817&loc=SL123496158-112644 + Details
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- Definition The estimated measure of the percentage by which a share price is expected to fluctuate during a period. Volatility also may be defined as a probability-weighted measure of the dispersion of returns about the mean. The volatility of a share price is the standard deviation of the continuously compounded rates of return on the share over a specified period. That is the same as the standard deviation of the differences in the natural logarithms of the stock prices plus dividends, if any, over the period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (f)(2)(ii) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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