Note 3 - Revenue From Contracts With Customers - Disaggregation of Revenue (Details) - USD ($)		3 Months Ended		9 Months Ended
		Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Revenue from Contract with Customer, Including Assessed Tax		$ 943,325	$ 452,714	$ 1,772,952	$ 1,732,720
North America [Member]
Revenue from Contract with Customer, Including Assessed Tax		894,252	355,489	1,593,872	969,583
South America [Member]
Revenue from Contract with Customer, Including Assessed Tax		13,800	43,845	14,550	63,888
EMEA [Member]
Revenue from Contract with Customer, Including Assessed Tax	[1]	31,425	42,360	46,126	456,412
Asia [Member]
Revenue from Contract with Customer, Including Assessed Tax		3,848	11,020	118,404	242,837
License [Member]
Revenue from Contract with Customer, Including Assessed Tax		346,479	98,272	605,366	241,780
License [Member] | North America [Member]
Revenue from Contract with Customer, Including Assessed Tax		339,747	50,400	528,524	97,408
License [Member] | South America [Member]
Revenue from Contract with Customer, Including Assessed Tax			43,000		43,000
License [Member] | EMEA [Member]
Revenue from Contract with Customer, Including Assessed Tax	[1]	6,732	4,168	6,732	31,668
License [Member] | Asia [Member]
Revenue from Contract with Customer, Including Assessed Tax			704	70,110	69,704
Hardware [Member]
Revenue from Contract with Customer, Including Assessed Tax		105,311	117,070	239,025	779,965
Hardware [Member] | North America [Member]
Revenue from Contract with Customer, Including Assessed Tax		103,511	98,995	208,192	269,393
Hardware [Member] | South America [Member]
Revenue from Contract with Customer, Including Assessed Tax					12,636
Hardware [Member] | EMEA [Member]
Revenue from Contract with Customer, Including Assessed Tax	[1]	1,800	14,759	1,800	342,304
Hardware [Member] | Asia [Member]
Revenue from Contract with Customer, Including Assessed Tax			3,316	29,033	155,632
Service [Member]
Revenue from Contract with Customer, Including Assessed Tax		491,535	237,372	928,561	710,975
Service [Member] | North America [Member]
Revenue from Contract with Customer, Including Assessed Tax		450,994	206,094	857,156	602,782
Service [Member] | South America [Member]
Revenue from Contract with Customer, Including Assessed Tax		13,800	845	14,550	8,252
Service [Member] | EMEA [Member]
Revenue from Contract with Customer, Including Assessed Tax		22,893	23,433	37,594	82,440	[1]
Service [Member] | Asia [Member]
Revenue from Contract with Customer, Including Assessed Tax		$ 3,848	$ 7,000	$ 19,261	$ 17,501

[1] EMEA - Europe, Middle East, Africa