Note 1 - Organization and Significant Accounting Policies - Schedule of Segment Information (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Revenues, net	$ 4,130,381	$ 4,535,665	$ 7,936,656	$ 8,145,366
Operating income loss	(67,370)	159,089	(486,898)	99,535
Service [Member]
Revenues, net	28	477	66	757
Operating income loss	28	365	66	645
Shipping Calculator Services [Member]
Revenues, net	516	987	1,168	6,531
Operating income loss	(391)	(1,076)	(736)	2,489
Brewery Management Software [Member]
Revenues, net	8,275	8,356	16,250	17,731
Operating income loss	4,348	(19,323)	6,773	(24,066)
Merchant Processing Services [Member]
Revenues, net	15,375	4,445	40,218	16,498
Operating income loss	4,937	(4,060)	10,696	(21)
Shipping Coordination and Label Generation Services [Member]
Revenues, net	4,106,187	4,521,400	7,878,954	8,103,849
Operating income loss	(54,978)	214,784	(352,735)	181,143
Corporate Operations [Member]
Operating income loss	$ (21,314)	$ (31,601)	$ (150,962)	$ (60,655)