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Note 3 - Revenue From Contracts With Customers - Disaggregation of Revenue (Details) - USD ($)		3 Months Ended
		Mar. 31, 2020	Mar. 31, 2019
Revenue from Contract with Customer, Including Assessed Tax		$ 522,485	$ 551,623
North America [Member]
Revenue from Contract with Customer, Including Assessed Tax		417,905	256,265
South America [Member]
Revenue from Contract with Customer, Including Assessed Tax		375	2,516
EMEA [Member]
Revenue from Contract with Customer, Including Assessed Tax	[1]	3,767	69,336
Asia [Member]
Revenue from Contract with Customer, Including Assessed Tax		100,438	223,506
License [Member]
Revenue from Contract with Customer, Including Assessed Tax		235,345	83,208
License [Member] | North America [Member]
Revenue from Contract with Customer, Including Assessed Tax		165,235	14,208
License [Member] | South America [Member]
Revenue from Contract with Customer, Including Assessed Tax
License [Member] | EMEA [Member]
Revenue from Contract with Customer, Including Assessed Tax	[1]
License [Member] | Asia [Member]
Revenue from Contract with Customer, Including Assessed Tax		70,110	69,000
Hardware [Member]
Revenue from Contract with Customer, Including Assessed Tax		79,617	226,805
Hardware [Member] | North America [Member]
Revenue from Contract with Customer, Including Assessed Tax		56,354	45,981
Hardware [Member] | South America [Member]
Revenue from Contract with Customer, Including Assessed Tax			400
Hardware [Member] | EMEA [Member]
Revenue from Contract with Customer, Including Assessed Tax	[1]		32,918
Hardware [Member] | Asia [Member]
Revenue from Contract with Customer, Including Assessed Tax		23,263	147,506
Maintenance [Member]
Revenue from Contract with Customer, Including Assessed Tax		207,523	241,610
Maintenance [Member] | North America [Member]
Revenue from Contract with Customer, Including Assessed Tax		196,316	196,076
Maintenance [Member] | South America [Member]
Revenue from Contract with Customer, Including Assessed Tax		375	2,116
Maintenance [Member] | EMEA [Member]
Revenue from Contract with Customer, Including Assessed Tax		3,767	36,418
Maintenance [Member] | Asia [Member]
Revenue from Contract with Customer, Including Assessed Tax		$ 7,065	$ 7,000
[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
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
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Reference 4: http://www.xbrl.org/2003/role/disclosureRef
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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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Reference 9: 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=d3e9054-108599

Reference 10: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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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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