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STOCK OPTIONS - Outstanding (Details) - USD ($)	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures [Abstract]
Share-based compensation expense	$ 0	$ 0	$ 672,223
Assumed dividends	$ 0
Lower than market
Stock Options Outstanding
Shares Outstanding	250,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures [Abstract]
Total intrinsic value of options exercised	$ 92,000
Director, officer, and employee | Stock Option
Stock Options Outstanding
Shares terminated	661,003	505,216	12,400
Exercise price (in dollars per share)	$ 2.12	$ 1.57	$ 1.51	$ 1.52
Director, officer, and employee | Stock Option | Exercise Price Dollars 1.46
Stock Options Outstanding
Exercise price (in dollars per share)	$ 1.46
Shares Outstanding	50,000
Weighted Average Remaining Contractual Life	3 years 4 months 13 days
Shares Exercisable	50,000
Director, officer, and employee | Stock Option | Exercise Price Dollars 1.05
Stock Options Outstanding
Exercise price (in dollars per share)	$ 1.05
Shares Outstanding	200,000
Weighted Average Remaining Contractual Life	6 years 11 months 27 days
Shares Exercisable	200,000
Director, officer, and employee | Stock Option | Exercise Price Dollars 2.75
Stock Options Outstanding
Exercise price (in dollars per share)	$ 2.75
Shares Outstanding	389,300
Weighted Average Remaining Contractual Life	6 years 8 months 12 days
Shares Exercisable	389,300
Employees | Stock Option
Stock Options Outstanding
Options issued (in shares)	0	0
Non Employees | Stock Option
Stock Options Outstanding
Options issued (in shares)	0	0
Shares terminated	57,500
Exercise price (in dollars per share)		$ 0.81	$ 0.81	$ 0.81

X

- Definition

Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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The estimated amount of dividends to be paid to holders of the underlying shares (expected dividends) over the option's term. Dividends are taken into account because payment of dividends to shareholders reduces the fair value of the underlying shares, and option holders generally do not receive dividends.

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Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on options exercised (or share units converted) into shares.

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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.

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Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

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Weighted average remaining contractual term of outstanding stock options, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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