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

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Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Gross number of share options (or share units) granted during the period.

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Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options.

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Percentage of vesting of award under share-based payment arrangement.

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Period from grant date that an equity-based award expires, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Weighted average remaining contractual term for fully vested and expected to vest exercisable or convertible options, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.

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Share-based Compensation Arrangement by Share-based Payment Award, Annual Award Vesting Rights, Percentage

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Share-based Compensation Arrangement by Share-based Payment Award, Number of Employees Granted Options

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STOCK BASED COMPENSATION - Narrative (Details)						12 Months Ended
STOCK BASED COMPENSATION - Narrative (Details)	Oct. 29, 2019 employee $ / shares shares	Oct. 09, 2019 employee $ / shares shares	May 20, 2019 employee $ / shares shares	May 22, 2018 employee $ / shares shares	Apr. 12, 2018 employee $ / shares shares	Dec. 31, 2019 USD ($) $ / shares shares	Dec. 31, 2018 USD ($) $ / shares shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share based compensation expense, total \| $						$ 642,840	$ 659,836
Options granted (in shares) \| shares						1,150,000	697,000
Options granted exercise price (in dollars per share) \| $ / shares						$ 1.40	$ 1.17
Stock Option \| 2013 Stock Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of employees granted options \| employee				1
Options granted (in shares) \| shares				10,000
Options granted exercise price (in dollars per share) \| $ / shares				$ 1.03
Term of awards				10 years
Award vesting period			4 years	4 years	4 years
Annual vesting percentage				25.00%	25.00%
Stock Option \| 2013 Stock Incentive Plan \| 12 Employees
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of employees granted options \| employee			12
Options granted (in shares) \| shares			487,000
Options granted exercise price (in dollars per share) \| $ / shares			$ 1.45
Term of awards			10 years
Annual vesting percentage			25.00%
Stock Option \| 2013 Stock Incentive Plan \| 1 Employee
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of employees granted options \| employee			1		1
Options granted (in shares) \| shares			163,000		166,000
Options granted exercise price (in dollars per share) \| $ / shares			$ 1.60		$ 1.26
Term of awards			5 years		5 years
Annual vesting percentage			25.00%
Stock Option \| 2013 Stock Incentive Plan \| 5 Employees
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of employees granted options \| employee			5
Options granted (in shares) \| shares			300,000
Options granted exercise price (in dollars per share) \| $ / shares			$ 1.45
Term of awards			10 years
Annual vesting percentage			25.00%
Stock Option \| 2013 Stock Incentive Plan \| 11 Employees
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of employees granted options \| employee					11
Options granted (in shares) \| shares					521,000
Options granted exercise price (in dollars per share) \| $ / shares					$ 1.14
Term of awards					10 years
Employee \| 2013 Stock Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of employees granted options \| employee	1	1
Options granted (in shares) \| shares	125,000	75,000
Options granted exercise price (in dollars per share) \| $ / shares	$ 1.00	$ 1.13
Term of stock option	5 years	5 years
Year 1 \| Employee \| 2013 Stock Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting award percentage	25.00%	25.00%
Year 2 \| Employee \| 2013 Stock Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting award percentage	25.00%	25.00%
Year 3 \| Employee \| 2013 Stock Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting award percentage	25.00%	25.00%
Year 4 \| Employee \| 2013 Stock Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting award percentage	25.00%	25.00%