CREDIT FACILITIES AND NOTES PAYABLE (Details - Revolving Credit Facilities) - USD ($)	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Line of Credit Facility [Line Items]
Deferred financing costs, net of accumulated amortization	$ 2,100,000	$ 1,800,000
Revolving Credit Facility
Line of Credit Facility [Line Items]
Deferred financing costs, net of accumulated amortization	$ 2,100,000
Effective interest rate	5.00%
Revolving Credit Facility | SunTrust | Line of Credit
Line of Credit Facility [Line Items]
Credit facilities available	$ 30,000,000
Revolving Credit Facility | First Lien Credit Agreement | Line of Credit | ≤ 3.00x | Eurodollar Rate Spread
Line of Credit Facility [Line Items]
Basis spread on variable rate	2.75%
Revolving Credit Facility | First Lien Credit Agreement | Barclays | Line of Credit
Line of Credit Facility [Line Items]
Credit facilities available	$ 195,000,000
Revolving Credit Facility | Amendment No. 6 First Lien Credit Agreement | Line of Credit | Eurodollar Rate Spread
Line of Credit Facility [Line Items]
Effective interest rate	0.75%
Basis spread on variable rate	3.25%
Revolving Credit Facility | Amendment No. 6 First Lien Credit Agreement | Line of Credit | ≤ 3.00x | Eurodollar Rate Spread
Line of Credit Facility [Line Items]
Basis spread on variable rate	3.00%
Revolving Credit Facility | Restated Agreement | SunTrust | Line of Credit
Line of Credit Facility [Line Items]
Credit facilities available	$ 30,000,000
Letter of Credit | Barclays | Letter of Credit
Line of Credit Facility [Line Items]
Commitment fee percentage	0.125%
Unused capacity, commitment fee percentage	0.50%
Letter of Credit | Amendment No. 6 First Lien Credit Agreement | Line of Credit | ≤ 3.00x | Eurodollar Rate Spread
Line of Credit Facility [Line Items]
Basis spread on variable rate	2.75%