Quarterly report pursuant to Section 13 or 15(d)

Supplemental Disclosure of Non-cash Activity (Details Textual)

v3.19.1
Supplemental Disclosure of Non-cash Activity (Details Textual) - USD ($)
 3 Months Ended 12 Months Ended
Mar. 31, 2019
Mar. 31, 2018
Dec. 31, 2018
Mar. 18, 2019
Income Taxes Paid $ 55 $ 0    
Interest Paid, Including Capitalized Interest, Operating and Investing Activities, Total 25,000 25,000    
Payments to Acquire Businesses, Net of Cash Acquired, Total 30,000    
Contract with Customer, Liability, Total 14,333,000   $ 13,609,000  
Proceeds from Stock Options Exercised 189,886 $ 23,325    
Accounts Receivable [Member]        
Proceeds from Stock Options Exercised 30,358      
Assets and Franchise Agreement [Member]        
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment, Total 9,166     $ 9,166
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles 62,000     62,000
Contract with Customer, Liability, Total 3,847     $ 3,847
License Fee Collection Upon Regional Developer Agreement [Member]        
Contract with Customer, Liability, Total 44,334      
Purchase of Property, Plant and Equipment Included in Accounts Payable [Member]        
Capital Expenditures Incurred but Not yet Paid 239,313   121,038  
Purchase of Property, Plant and Equipment Included in Accrued Expenses [Member]        
Capital Expenditures Incurred but Not yet Paid $ 3,600   $ 1,595