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STOCKHOLDERS' EQUITY (Schedule of Activity of Warrants) (Details) - $ / shares | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2020 | Dec. 31, 2019
Number of Warrants |  |
Outstanding at beginning of period | 163,010 | 160,152
Outstanding at end of period | 163,010 | 163,010
Exercisable at end of period | 158,724 | 154,438
Weighted Avg. Exercise Price |  |
Outstanding at beginning of period | $ 14.00 | $ 14.00
Outstanding at end of period | 14.00 | 14.00
Exercisable at end of period | $ 14.00 | $ 14.00
Remaining Contractual Life (Years) |  |
Outstanding at end of period | 3 years 1 month 6 days | 3 years 4 months 24 days
Exercisable at end of period | 3 years 1 month 6 days | 3 years 4 months 24 days
Warrant [Member] |  |
Number of Warrants |  |
Outstanding at beginning of period | 1,521,250 | 1,815,181
Warrants expired, forfeited, cancelled or exercised |  | (338,575)
Warrants issued | 67,500 | 44,644
Outstanding at end of period | 1,588,750 | 1,521,250
Exercisable at end of period | 1,588,750 | 1,521,250
Weighted Avg. Exercise Price |  |
Outstanding at beginning of period | $ 8.78 | $ 9.52
Warrants issued | 9.00 | 7.70
Outstanding at end of period | 8.79 | 8.78
Exercisable at end of period | $ 8.41 | $ 8.78
Remaining Contractual Life (Years) |  |
Outstanding at beginning of period | 3 years | 3 years 10 months 25 days
Warrants issued | 4 years 10 months 25 days | 4 years 10 months 25 days
Outstanding at end of period | 2 years 8 months 12 days | 2 years 9 months 18 days
Exercisable at end of period | 2 years 8 months 12 days | 2 years 9 months 18 days

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- Definition Remaining contractual life of warrants issued with debt or debt modifications. + References No definition available. + Details
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- Definition The number of warrants issued in exchange for the original debt being converted in a noncash (or part noncash) transaction. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=121583591&loc=d3e4304-108586 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=121583591&loc=d3e4332-108586 + 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=120381028&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=120381028&loc=d3e5070-113901 + Details
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- Definition Number of options or other stock instruments for which the right to exercise has lapsed under the terms of the plan agreements. + 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)(4) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + 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=120381028&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=120381028&loc=d3e5070-113901 + Details
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- Definition Weighted average remaining contractual term for vested portions of options outstanding and currently exercisable or convertible, 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 -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition Weighted average remaining contractual term for option awards outstanding, 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 (e)(1) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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