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NOTES PAYABLE | 12 Months Ended
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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.

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- Definition The entire disclosure for long-term debt. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -URI http://asc.fasb.org/topic&trid=2208564 + Details
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