2. SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) - USD ($)	Dec. 31, 2019	Dec. 31, 2018
Accounting Policies [Abstract]
Gross accounts receivable	$ 4,346,810	$ 2,774,619
Allowance for doubtful accounts	(276,234)	(14,013)
Total accounts receivable, net	4,070,576	2,760,606
Audit, legal, payroll	256,966	234,119
Royalty costs	1,125,000	875,000
Sales allowances	901,196	611,719
Sales and use tax	148,836	219,286
Other	234,473	289,437
Total accrued other expenses	$ 2,666,471	$ 2,229,561