Note 6 - Acquisition of OCL Technologies Corp. - Purchase Price (Details) - USD ($)	12 Months Ended
Dec. 31, 2020	Dec. 31, 2019
Common stock issued on acquisition	$ 1,380,427
OCL Technologies Corp [Member]
Common stock issued on acquisition	1,380,427
Transaction costs	54,532
Total Purchase Price	1,849,087
OCL Technologies Corp [Member] \| Warrants Issued in Connection With Business Acquisition [Member]
Common stock issued on acquisition	$ 414,128

Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

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