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Income Taxes (Tables)
12 Months Ended
Dec. 31, 2018
Income Tax Disclosure [Abstract]  
Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]
A reconciliation of the expected tax computed at the statutory federal income tax rate to the provision for income taxes is as follows:
 
 
 
2018
 
 
2017
 
Expected tax benefit at 21%
 
$
(1,970,000
)
 
$
(3,291,000
)
Tax Reform
 
 
 
 
 
 
6,210,000
 
Change in valuation allowance
 
 
1,890,000
 
 
 
(3,070,000
)
Other
 
 
80,000
 
 
 
151,000
 
Provision for income taxes
 
$
-
 
 
$
-
 
Schedule of Deferred Tax Assets and Liabilities [Table Text Block]
 
 
2018
 
 
2017
 
Net operating loss carry forwards
 
$
11,540,000
 
 
$
9,860,000
 
Accrued liabilities
 
 
280,000
 
 
 
210,000
 
Stock compensation
 
 
(50,000
)
 
 
(90,000
)
Depreciation
 
 
160,000
 
 
 
60,000
 
Prepaid expenses
 
 
(20,000
)
 
 
(20,000
)
Other
 
 
-
 
 
 
-
 
Deferred tax assets, net
 
 
11,910,000
 
 
 
10,020,000
 
Valuation allowance
 
 
(11,910,000
)
 
 
(10,020,000
)
Net deferred tax asset
 
$
-
 
 
$
-