Note 7 - Cooperative Marketing Agreement (Details Textual) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Obligation by Third Party Per Agreement, Due Remainder of Fiscal Year	$ 7,380,000		$ 7,380,000
Revenue from Contract with Customer, Including Assessed Tax	17,774,274	$ 15,871,818	31,412,246	$ 25,097,360
Marketing and Advertising Expense, Total	871,043	373,604	1,172,475	430,056
Depreciation, Total			1,487,523	1,383,753
Product and Service, Other [Member]
Revenue from Contract with Customer, Including Assessed Tax	2,009,612	1,166,400	2,951,748	1,999,333
Cooperative Marketing Agreement (CMA)1 [Member]
Marketing Agreement, Marketing Payment Obligation, to be Paid, Year One	1,620,000		1,620,000
Marketing and Advertising Expense, Total	621,000	342,000	687,000	365,000
Depreciation, Total	54,000	24,000	100,000	48,000
Cooperative Marketing Agreement (CMA)1 [Member] | Product and Service, Other [Member]
Revenue from Contract with Customer, Including Assessed Tax	$ 675,000	$ 366,000	$ 787,000	$ 413,000