INCOME TAXES (Details) - USD ($)	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Current tax provision (benefit)
State	$ 848	$ 1,132	$ 7,877
Total current provision (benefit)	848	1,132	7,877
Deferred tax provision (benefit)
Federal	(188,456)
Total deferred tax provision (benefit)	(188,456)
Total income tax provision (benefit)	(187,608)	1,132	$ 7,877
Tax benefits attributable to net operating losses for federal tax purposes	24,900,000
Deferred tax assets
Net operating loss carry forwards	6,127,210	7,651,971
Credit for alternative minimum tax paid		201,773
Accrued expenses and reserves	509,666	1,348,032
Employee stock option expense	76,150	117,613
Nonemployee stock option expense	8,268	12,770
Inventory	224,353	361,437
Impairment	112,000	172,983
Deferred tax assets	7,057,647	9,866,579
Deferred tax liabilities
Property and equipment	(1,231,693)	(669,246)
Deferred tax liabilities	(1,231,693)	(669,246)
Net deferred assets	5,825,954	9,197,333
Valuation allowance	(5,825,954)	(9,197,333)
Increase (decrease) in valuation allowance	$ (3,371,379)	$ 1,445,361
Reconciliation of income taxes based on the federal statutory rate and the effective income tax rate
Income tax at the federal statutory rate (as a percent)	35.00%	35.00%	35.00%
State tax, net of federal tax (as a percent)	2.90%	2.90%	2.90%
Change in valuation allowance (as a percent)	85.90%	(39.10%)	(37.80%)
Permanent differences (as a percent)	5.70%	4.70%	0.70%
Return-to-provision and other (as a percent)	(37.60%)	(3.50%)	(0.60%)
Tax Reform and Jobs Act tax rate change	(81.10%)
Incentive stock options (as a percent)	(6.00%)
Effective tax rate (as a percent)	4.80%	0.00%	0.20%
Minimum
Reconciliation of income taxes based on the federal statutory rate and the effective income tax rate
State and local income tax returns, period subject to examination	3 years
Maximum
Reconciliation of income taxes based on the federal statutory rate and the effective income tax rate
State and local income tax returns, period subject to examination	5 years