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Note B - Revenue From Contracts With Customers - Disaggregation of Revenue (Details) - USD ($)		12 Months Ended
		Dec. 31, 2020	Dec. 31, 2019
Revenue from Contract with Customer, Including Assessed Tax		$ 2,836,782	$ 2,267,528
North America [Member]
Revenue from Contract with Customer, Including Assessed Tax		2,406,999	1,392,083
South America [Member]
Revenue from Contract with Customer, Including Assessed Tax		18,300	67,867
EMEA [Member]
Revenue from Contract with Customer, Including Assessed Tax	[1]	285,693	559,616
Asia [Member]
Revenue from Contract with Customer, Including Assessed Tax		125,790	247,962
License [Member]
Revenue from Contract with Customer, Including Assessed Tax		962,038	442,649
License [Member] | North America [Member]
Revenue from Contract with Customer, Including Assessed Tax		842,307	208,827
License [Member] | South America [Member]
Revenue from Contract with Customer, Including Assessed Tax			46,717
License [Member] | EMEA [Member]
Revenue from Contract with Customer, Including Assessed Tax	[1]	46,922	117,401
License [Member] | Asia [Member]
Revenue from Contract with Customer, Including Assessed Tax		72,809	69,704
Hardware [Member]
Revenue from Contract with Customer, Including Assessed Tax		442,516	899,634
Hardware [Member] | North America [Member]
Revenue from Contract with Customer, Including Assessed Tax		267,996	388,938
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]	144,647	342,304
Hardware [Member] | Asia [Member]
Revenue from Contract with Customer, Including Assessed Tax		29,873	155,756
Service [Member]
Revenue from Contract with Customer, Including Assessed Tax		1,432,228	925,245
Service [Member] | North America [Member]
Revenue from Contract with Customer, Including Assessed Tax		1,296,696	794,318
Service [Member] | South America [Member]
Revenue from Contract with Customer, Including Assessed Tax		18,300	8,514
Service [Member] | EMEA [Member]
Revenue from Contract with Customer, Including Assessed Tax		94,124	99,911
Service [Member] | Asia [Member]
Revenue from Contract with Customer, Including Assessed Tax		$ 23,108	$ 22,502
[1] EMEA - Europe, Middle East, Africa

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
-SubTopic 10
-Section 50
-Paragraph 41
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-URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e9038-108599

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
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-URI http://asc.fasb.org/extlink&oid=121604090&loc=SL49130545-203045

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
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Reference 4: http://www.xbrl.org/2003/role/disclosureRef
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-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
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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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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 http://asc.fasb.org/extlink&oid=120311839&loc=d3e9054-108599

Reference 10: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
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-URI http://asc.fasb.org/extlink&oid=120311839&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 http://asc.fasb.org/extlink&oid=6472922&loc=d3e499488-122856

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