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STOCK OPTIONS - Share based compensation (Details) - $ / shares |  |  |  | 12 Months Ended
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Dec. 27, 2016 | Nov. 02, 2016 | Sep. 09, 2016 | Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2009 | Dec. 31, 2008
Stock Option Plan 2008 |  |  |  |  |  |  |  |
STOCK OPTIONS |  |  |  |  |  |  |  |
Shares available for future issuance |  |  |  | 0 |  |  |  |
Stock Option |  |  |  |  |  |  |  |
Number of options |  |  |  |  |  |  |  |
Exercised (in shares) |  |  |  | 0 | 0 | (1,046,580) |  |
Weighted-Average Exercise Price |  |  |  |  |  |  |  |
Granted (in dollars per share) |  |  |  |  |  |  | $ 1.30 | $ 0.81
Stock Option | Director, officer, and employee |  |  |  |  |  |  |  |
STOCK OPTIONS |  |  |  |  |  |  |  |
Shares expired |  |  |  | 505,216 | 12,400 | 10,970 |  |
Exercisable (in shares) |  |  |  | 1,300,303 | 1,803,119 | 1,218,519 |  |
Exercisable (in dollars per share) |  |  |  | $ 1.57 | $ 1.51 | $ 1.06 |  |
Number of options |  |  |  |  |  |  |  |
Outstanding at beginning of period (in shares) |  |  |  | 1,805,519 | 1,817,919 | 2,125,069 |  |
Granted (in shares) |  |  |  |  |  | 750,400 |  |
Exercised (in shares) |  |  |  |  |  | (1,046,580) |  |
Forfeited (in shares) |  |  |  | (505,216) | (12,400) | (10,970) |  |
Outstanding at end of period (in shares) |  |  |  | 1,300,303 | 1,805,519 | 1,817,919 |  |
Weighted-Average Exercise Price |  |  |  |  |  |  |  |
Outstanding at beginning of period (in dollars per share) |  |  |  | $ 1.51 | $ 1.52 | $ 0.94 |  |
Granted (in dollars per share) |  |  |  |  |  | 2.18 |  |
Exercise price (in dollars per share) |  |  |  |  |  | (0.82) |  |
Forfeited (in dollars per share) |  |  |  | (1.36) | (2.75) | (1.08) |  |
Outstanding at end of period (in dollars per share) |  |  |  | $ 1.57 | $ 1.51 | $ 1.52 |  |
Stock Option | Employees |  |  |  |  |  |  |  |
STOCK OPTIONS |  |  |  |  |  |  |  |
Options issued (in shares) |  |  |  | 0 | 0 | 600,400 |  |
Stock Option | Director |  |  |  |  |  |  |  |
STOCK OPTIONS |  |  |  |  |  |  |  |
Options issued (in shares) |  |  |  | 0 | 0 | 150,000 |  |
Stock Option | Non Employees |  |  |  |  |  |  |  |
STOCK OPTIONS |  |  |  |  |  |  |  |
Exercisable (in shares) |  |  |  | 57,500 | 57,500 | 57,500 |  |
Exercisable (in dollars per share) |  |  |  | $ 0.81 | $ 0.81 | $ 0.81 |  |
Number of options |  |  |  |  |  |  |  |
Outstanding at beginning of period (in shares) |  |  |  | 57,500 | 57,500 | 57,500 |  |
Outstanding at end of period (in shares) |  |  |  | 57,500 | 57,500 | 57,500 |  |
Weighted-Average Exercise Price |  |  |  |  |  |  |  |
Outstanding at beginning of period (in dollars per share) |  |  |  | $ 0.81 | $ 0.81 | $ 0.81 |  |
Outstanding at end of period (in dollars per share) |  |  |  | $ 0.81 | $ 0.81 | $ 0.81 |  |
Stock Option | Stock Option Plan 2008 |  |  |  |  |  |  |  |
Number of options |  |  |  |  |  |  |  |
Granted (in shares) |  |  |  | 3,649,508 |  |  |  |
Outstanding at end of period (in shares) |  |  |  | 1,357,803 |  |  |  |
Stock options |  |  |  |  |  |  |  |
STOCK OPTIONS |  |  |  |  |  |  |  |
Vesting period |  |  | 1 year |  |  |  |  |
Exercisable (in shares) |  |  | 500,400 |  |  |  |  |
Exercisable (in dollars per share) |  |  | $ 1.783 |  |  |  |  |
Weighted-Average Exercise Price |  |  |  |  |  |  |  |
Exercise price (in dollars per share) |  |  | $ (2.75) |  |  |  |  |
Stock options | Thomas J. Shaw |  |  |  |  |  |  |  |
STOCK OPTIONS |  |  |  |  |  |  |  |
Shares expired | 3,000,000 |  |  |  |  |  |  |
Number of options |  |  |  |  |  |  |  |
Granted (in shares) |  | 3,000,000 |  |  |  |  |  |
Forfeited (in shares) | (3,000,000) |  |  |  |  |  |  |

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- Definition Period which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + 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 (a)(1) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 + Details
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- Definition The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable. + 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 -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 + Details
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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://fasb.org/us-gaap/role/ref/legacyRef -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=109197908&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://fasb.org/us-gaap/role/ref/legacyRef -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=109197908&loc=d3e5070-113901 + Details
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- Definition The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan. + 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 (c)(1)(iv)(3) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 + Details
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- Definition Gross number of share options (or share units) granted during the period. + References No definition available. + Details
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- Definition Number of options outstanding, including both vested and non-vested options. + 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 -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -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=109197908&loc=d3e5070-113901 + Details
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- Definition Number of share instruments newly issued under a share-based compensation plan. + 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 -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 + Details
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