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14. COMMON STOCK (Details) - Common Stock [Member] - Nonvested Shares [Member] | 12 Months Ended
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Dec. 31, 2019 $ / shares shares
Number of Nonvested Shares |
Number of Nonvested Shares Outstanding, Beginning | shares | 58,750
Number of Nonvested Shares Granted | shares | 67,624
Number of Nonvested Shares Vested | shares | (56,937)
Number of Nonvested Shares Forfeited | shares | (25,000)
Number of Nonvested Shares Outstanding, Ending | shares | 44,437
Weighted Average Exercise Price |
Weighted Average Exercise Price Outstanding, Beginning | $ / shares | $ 8.72
Weighted Average Exercise Price Granted | $ / shares | 5.67
Weighted Average Exercise Price Vested | $ / shares | 6.16
Weighted Average Exercise Price Forfeited | $ / shares | 7.5
Weighted Average Exercise Price Outstanding, Ending | $ / shares | $ 5.63

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- Definition Net number of share options (or share units) granted during 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 (c)(1)(iv)(1) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 + Details
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