Annual report pursuant to Section 13 and 15(d)

NOTES PAYABLE

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NOTES PAYABLE
12 Months Ended
Dec. 31, 2018
Debt Disclosure [Abstract]  
Notes Payable Disclosure [Text Block]
6. NOTES PAYABLE
 
During the three months ended March 31, 2017, the two loans with initial principal amounts totaling $450,000 from the Wisconsin Economic Development Corporation, dated September 15, 2010, were paid in full.