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Note 3 - Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2019

Notes Tables

Restrictions on Cash and Cash Equivalents [Table Text Block]

		December 31, 2019				December 31, 2018
Cash on consolidated balance sheet		$	486,604			$	1,645,481
Restricted cash			629,651				604,070
Total cash and restricted cash		$	1,116,255			$	2,249,551

Point of Sale Equipment, Effect on Other Current Assets [Table Text Block]

Balance December 31, 2017	$                         515,000
Purchases during 2018	305,000
Amortization 2018	(295,000)
Balance December 31, 2018	525,000
Purchases during 2019	272,000
Amortization 2019	(334,000)
Balance December 31, 2019	$                         463,000

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