Annual report pursuant to Section 13 and 15(d)

Income Tax (Schedule of Income Tax Rate Differences) (Details)

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Income Tax (Schedule of Income Tax Rate Differences) (Details) - USD ($)
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Income Tax Disclosure [Abstract]    
Federal income tax expense at statutory rate: $ (3,577,000) $ (4,495,000)
Increase (reduction) in income tax resulting from:    
State Income Taxes (207,000) (194,000)
Foreign Rate Differential (17,000) 16,000
Nondeductible Expenses 7,000 9,000
Period True-Up - Pelican 208,000
Research & Development Credit (763,000) (409,000)
Stock Based compensation 60,000 84,000
Acquisition Costs 96,000
Reserve for Loss Carryforwards Limited by Sec. 382 22,000 (541,000)
Tax Reform Impact 8,024,000
Other 25,512 45,460
Increase (Decrease) in Valuation Allowance 3,256,000 (3,445,000)
Total $ (985,488) $ (809,540)