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Note 3 - Revenue From Contracts With Customers - Disaggregation of Revenue (Details) - USD ($)		3 Months Ended		12 Months Ended
		Mar. 31, 2022	Mar. 31, 2021	Dec. 31, 2021
Revenue from Contract with Customer, Including Assessed Tax		$ 1,941,171	$ 1,888,638	$ 5,114,000
North America [Member]
Revenue from Contract with Customer, Including Assessed Tax		900,602	777,209
South America [Member]
Revenue from Contract with Customer, Including Assessed Tax		544,469	684,839
EMESA [Member]
Revenue from Contract with Customer, Including Assessed Tax	[1]	416,372	326,391
Asia [Member]
Revenue from Contract with Customer, Including Assessed Tax		79,728	100,199
License [Member]
Revenue from Contract with Customer, Including Assessed Tax		1,460,183	478,958
License [Member] | North America [Member]
Revenue from Contract with Customer, Including Assessed Tax		473,070	368,800
License [Member] | South America [Member]
Revenue from Contract with Customer, Including Assessed Tax		517,161	0
License [Member] | EMESA [Member]
Revenue from Contract with Customer, Including Assessed Tax	[1]	390,277	42,508
License [Member] | Asia [Member]
Revenue from Contract with Customer, Including Assessed Tax		79,675	67,650
Hardware [Member]
Revenue from Contract with Customer, Including Assessed Tax		85,184	1,029,658
Hardware [Member] | North America [Member]
Revenue from Contract with Customer, Including Assessed Tax		71,900	48,795
Hardware [Member] | South America [Member]
Revenue from Contract with Customer, Including Assessed Tax		12,033	684,839
Hardware [Member] | EMESA [Member]
Revenue from Contract with Customer, Including Assessed Tax	[1]	1,251	265,995
Hardware [Member] | Asia [Member]
Revenue from Contract with Customer, Including Assessed Tax		0	30,029
Service [Member]
Revenue from Contract with Customer, Including Assessed Tax		395,804	380,022
Service [Member] | North America [Member]
Revenue from Contract with Customer, Including Assessed Tax		355,632	359,614
Service [Member] | South America [Member]
Revenue from Contract with Customer, Including Assessed Tax		15,275	0
Service [Member] | EMESA [Member]
Revenue from Contract with Customer, Including Assessed Tax		24,844	17,888
Service [Member] | Asia [Member]
Revenue from Contract with Customer, Including Assessed Tax		$ 53	$ 2,520
[1] EMESA – Europe, Middle East, South America

X

- Definition

Amount, including tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value-added and excise.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
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-URI https://asc.fasb.org/extlink&oid=126920106&loc=SL49130545-203045

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
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Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
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-Publisher FASB
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Reference 6: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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Reference 7: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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Reference 8: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
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-URI https://asc.fasb.org/extlink&oid=126920106&loc=SL49130543-203045

Reference 9: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
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-Section 50
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-URI https://asc.fasb.org/extlink&oid=126901519&loc=d3e9054-108599

Reference 10: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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-Section 50
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-URI https://asc.fasb.org/extlink&oid=126901519&loc=d3e9031-108599

Reference 11: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 924
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-Section S99
-Paragraph 1
-Subparagraph (SAB Topic 11.L)
-URI https://asc.fasb.org/extlink&oid=6472922&loc=d3e499488-122856

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