Note 1 - Organization and Significant Accounting Policies - Schedule of Segment Information (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Revenue	$ 3,480,109	$ 3,409,316	$ 11,008,692	$ 9,303,510
Operating income loss	(144,548)	(123,728)	(353,689)	(144,256)
Service [Member]
Revenue	1,548	1,878	3,057	3,283
Operating income loss	1,250	1,417	2,445	2,517
Shipping Calculator Services [Member]
Revenue	5,565	6,321	17,284	22,114
Operating income loss	3,346	3,749	8,763	9,908
Brewery Management Software [Member]
Revenue	12,825	25,600	48,050	93,413
Operating income loss	1,656	17,830	19,674	35,845
Merchant Processing Services [Member]
Revenue	13,828	105,713	40,806	379,012
Operating income loss	4,803	37,548	15,129	86,477
Shipping Coordination and Label Generation Services [Member]
Revenue	3,446,343	3,269,804	10,899,495	8,805,688
Operating income loss	104,847	268,434	484,272	417,545
Corporate Operations [Member]
Operating income loss	$ (260,450)	$ (452,706)	$ (883,972)	$ (696,548)