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9. Equity-Based Incentive Plans (Details - Share-based Compensation) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2020 | Dec. 31, 2019
Share-based compensation expense | $ 1,662 | $ 1,075
Restricted Stock [Member] | Time Based Service [Member] |  |
Share-based compensation expense | 1,155 | 907
Restricted Stock Units R S U [Member] | Time Based Service [Member] |  |
Share-based compensation expense | 43 | 0
Restricted Stock Units R S U [Member] | Market Based [Member] |  |
Share-based compensation expense | 427 | 140
Stock Options [Member] | Time Based Service [Member] |  |
Share-based compensation expense | $ 37 | $ 28

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- Definition Amount of noncash expense for share-based payment arrangement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3602-108585 + Details
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