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Note 3 - Revenue From Contracts With Customers - Disaggregation of Revenue (Details) - USD ($)		3 Months Ended		9 Months Ended
		Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Revenue		$ 452,714	$ 739,750	$ 1,732,720	$ 2,329,346
North America [Member]
Revenue		355,489	435,236	969,583	1,296,810
South America [Member]
Revenue		43,845	2,160	63,888	85,216
EMEA [Member]
Revenue	[1]	42,360	287,716	456,412	632,856
Asia [Member]
Revenue		11,020	14,638	242,837	314,464
License [Member]
Revenue		98,272	210,651	241,780	467,621
License [Member] | North America [Member]
Revenue		50,400	116,985	97,408	247,105
License [Member] | South America [Member]
Revenue		43,000	2,000	43,000	32,000
License [Member] | EMEA [Member]
Revenue	[1]	4,168	91,666	31,668	188,516
License [Member] | Asia [Member]
Revenue		704		69,704
Hardware [Member]
Revenue		117,070	303,360	779,965	1,084,416
Hardware [Member] | North America [Member]
Revenue		98,995	115,162	269,393	335,248
Hardware [Member] | South America [Member]
Revenue			160	12,636	53,200
Hardware [Member] | EMEA [Member]
Revenue	[1]	14,759	173,400	342,304	398,474
Hardware [Member] | Asia [Member]
Revenue		3,316	14,638	155,632	297,494
Maintenance [Member]
Revenue		224,092	219,619	691,946	661,339
Maintenance [Member] | North America [Member]
Revenue		197,814	196,969	590,753	600,487
Maintenance [Member] | South America [Member]
Revenue		845		8,252	16
Maintenance [Member] | EMEA [Member]
Revenue		20,433	22,650	79,440	43,866
Maintenance [Member] | Asia [Member]
Revenue		5,000		13,501	16,970
Professional Services [Member]
Revenue		13,280	6,120	19,029	115,970
Professional Services [Member] | North America [Member]
Revenue		8,280	6,120	12,029	113,970
Professional Services [Member] | South America [Member]
Revenue
Professional Services [Member] | EMEA [Member]
Revenue		3,000		3,000	2,000
Professional Services [Member] | Asia [Member]
Revenue		$ 2,000		$ 4,000
[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
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130545-203045

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 4
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130543-203045

+ Details

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Namespace Prefix:	us-gaap_
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Balance Type:	credit
Period Type:	duration

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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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- Details

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