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Note 3 - Revenue From Contracts With Customers - Disaggregation of Revenue (Details) - USD ($)		3 Months Ended			9 Months Ended
		Sep. 30, 2018		Sep. 30, 2017	Sep. 30, 2018		Sep. 30, 2017
Revenue		$ 739,750		$ 942,417	$ 2,329,346		$ 3,247,633
North America [Member]
Revenue		435,236		741,587	1,296,810		2,428,145
South America [Member]
Revenue		2,160		100	85,216		3,269
EMEA [Member]
Revenue	[1]	287,716		20,308	632,856		36,193
Asia [Member]
Revenue		14,638		180,422	314,464		780,026
License [Member]
Revenue		210,651		53,023	467,621		677,342
License [Member] | North America [Member]
Revenue		116,985		29,745	247,105		561,480
License [Member] | South America [Member]
Revenue		2,000			32,000		583
License [Member] | EMEA [Member]
Revenue		91,666	[1]	4,278	188,516	[1]	4,279
License [Member] | Asia [Member]
Revenue				19,000			111,000
Hardware [Member]
Revenue		303,360		512,281	1,084,416		1,738,530
Hardware [Member] | North America [Member]
Revenue		115,162		344,179	335,248		1,066,001
Hardware [Member] | South America [Member]
Revenue		160			53,200		2,341
Hardware [Member] | EMEA [Member]
Revenue	[1]	173,400		7,662	398,474		8,252
Hardware [Member] | Asia [Member]
Revenue		14,638		160,440	297,494		661,936
Maintenance [Member]
Revenue		219,619		117,088	661,339		381,036
Maintenance [Member] | North America [Member]
Revenue		196,969		107,638	600,487		355,339
Maintenance [Member] | South America [Member]
Revenue				100	16		345
Maintenance [Member] | EMEA [Member]
Revenue	[1]	22,650		8,368	43,866		23,662
Maintenance [Member] | Asia [Member]
Revenue				982	16,970		1,690
Professional Services [Member]
Revenue		6,120		260,025	115,970		450,725
Professional Services [Member] | North America [Member]
Revenue		6,120		260,025	113,970		445,325
Professional Services [Member] | South America [Member]
Revenue
Professional Services [Member] | EMEA [Member]
Revenue			[1]		2,000	[1]
Professional Services [Member] | Asia [Member]
Revenue							$ 5,400
[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://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=109196051&loc=SL49130539-203045

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=109196051&loc=SL49130545-203045

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 4
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=109196051&loc=SL49130543-203045

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Details

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X

- Details

Name:	srt_StatementGeographicalAxis=srt_SouthAmericaMember
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X

- Details

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- Details

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- Details

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- Details

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- Details

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- Details

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