9. Equity-Based Incentive Plans (Details - Nonvested Restricted Stock Activity) - Restricted Stock [Member]	12 Months Ended
	Dec. 31, 2020 $ / shares shares
Number of Nonvested Shares
Number of Nonvested Shares Outstanding, Beginning | shares	476,000
Number of Nonvested Shares Granted | shares	592,000
Number of Nonvested Shares Vested | shares	(353,000)
Number of Nonvested Shares Cancelled | shares	(31,000)
Number of Nonvested Shares Outstanding, Ending | shares	684,000
Weighted Average Exercise Price
Weighted Average Exercise Price Outstanding, Beginning | $ / shares
Weighted Average Exercise Price Granted | $ / shares	3.52
Weighted Average Exercise Price Vested | $ / shares	3.12
Weighted Average Exercise Price Cancelled | $ / shares	2.85
Weighted Average Exercise Price Outstanding, Ending | $ / shares	$ 3.38