Income Taxes (Tables)

12 Months Ended

Dec. 31, 2018

Income Tax Disclosure [Abstract]

Schedule of Deferred Tax Assets and Liabilities [Table Text Block]

Deferred tax assets and liabilities result from temporary differences in the recognition of income and expense for tax and financial reporting purposes. Significant components of the Company’s deferred tax assets and liabilities are as follows at December 31.

	2018			2017
Deferred tax assets
NOL carryforwards	$	781,000		$	1,038,000
General business credits carryforwards		288,000			244,000
Stock based compensation		92,000			64,000
UNICAP		56,000			30,000
Allowance for doubtful accounts		3,000			3,000
Reserve for obsolete inventories		6,000			12,000
Reserve for asset retirement		14,000			14,000
Property and equipment		(145,000	)		(159,000	)
		1,095,000			1,246,000
Valuation allowance		(1,095,000	)		(1,246,000	)
Net	$	-		$	-

Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]

For the years ended December 31, 2018 and 2017, a reconciliation of the statutory rate and effective rate for the provisions for income taxes consists of the following:

	Percentage
	2018			2017
Federal statutory rate		21.0	%		35.0	%
State/city tax		1.9			24.0
Non-deductible expense		0.6			532.6
Valuation allowance		(21.6	)		(567.6	)
Effective rate		1.9	%		24.0	%

Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]

Components of the income tax provision are as follows:

	2018			2017
Current	$	17,642		$	1,921
Deferred:
NOL utilization/expiration under 2017 tax law		257,000			87,247
General business credits		(44,000	)		(23,087	)
Other temporary differences		(62,000	)		(43,756	)
Change in valuation allowance		(151,000	)		(20,404	)
Change in NOL benefit due to 2018 Tax Reform		-			691,695
Change in temporary differences due to 2018 Tax Reform		-			(25,595	)
Change in valuation allowance due to 2018 Tax Reform		-			(666,100	)
Total	$	17,642		$	1,921