15. INCOME TAXES (Details-Deferred tax assets and liabilities) - USD ($)	Dec. 31, 2016	Dec. 31, 2015
Deferred tax assets:
Charitable contributions	$ 4,128	$ 4,128
Reserve for bad debt	25,548	25,345
Stock options	4,776,104	4,599,689
Inventory Adjustment	0	11,067
Depreciation	33,638	0
Other	25,159	19,634
Net operating loss carryforward	9,167,042	8,297,039
Total gross deferred tax assets	14,031,619	12,956,902
Less: Deferred tax asset valuation allowance	(13,934,915)	(12,853,622)
Total net deferred tax assets	96,704	103,280
Deferred tax liabilities:
Accrued salaries	(96,704)	(96,704)
Depreciation	0	(6,576)
Total deferred tax liabilities	(96,704)	(103,280)
Total net deferred taxes	$ 0	$ 0