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18. INCOME TAXES (Details-Deferred tax assets and liabilities) - USD ($) | Dec. 31, 2020 | Dec. 31, 2019
--- | --- | ---
Deferred tax assets: |  |
Reserve for bad debt | $ 0 | $ 680
Stock options | 574,365 | 760,763
Deferred Revenue | 31,070 | 24,077
Other | 86,457 | 59,947
Net operating loss carryforward | 10,012,021 | 8,996,569
Total gross deferred tax assets | 10,703,913 | 9,842,036
Less: Deferred tax asset valuation allowance | (10,656,461) | (9,827,176)
Total net deferred tax assets | 47,452 | 14,860
Deferred tax liabilities: |  |
Depreciation | (47,452) | (14,860)
Total deferred tax liabilities | (47,452) | (14,860)
Total net deferred taxes | $ 0 | $ 0

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