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Note 3 - Revenue From Contracts With Customers - Disaggregation of Revenue (Details) - USD ($)		3 Months Ended		6 Months Ended
		Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Revenue		$ 728,383	$ 748,141	$ 1,280,006	$ 1,589,596
Maintenance [Member]
Revenue		228,993	241,121	467,853	441,720
Professional Services [Member]
Revenue		3,000	8,000	5,750	109,850
License [Member]
Revenue		60,300	154,251	143,508	256,970
Hardware [Member]
Revenue		436,090	344,769	662,895	781,056
North America [Member]
Revenue		357,829	421,249	614,094	861,574
North America [Member] | Maintenance [Member]
Revenue		197,613	225,602	392,938	403,518
North America [Member] | Professional Services [Member]
Revenue		3,000	6,000	3,750	107,850
North America [Member] | License [Member]
Revenue		32,800	69,151	47,008	130,120
North America [Member] | Hardware [Member]
Revenue		124,416	120,496	170,398	220,086
South America [Member]
Revenue		17,527	83,056	20,043	83,056
South America [Member] | Maintenance [Member]
Revenue		5,291	16	7,407	16
South America [Member] | Professional Services [Member]
Revenue
South America [Member] | License [Member]
Revenue			30,000		30,000
South America [Member] | Hardware [Member]
Revenue		12,236	53,040	12,636	53,040
EMEA [Member]
Revenue	[1]	344,716	79,901	414,052	345,140
EMEA [Member] | Maintenance [Member]
Revenue		22,589	12,503	59,007	21,216
EMEA [Member] | Professional Services [Member]
Revenue			2,000		2,000
EMEA [Member] | License [Member]
Revenue	[1]	27,500	55,100	27,500	96,850
EMEA [Member] | Hardware [Member]
Revenue	[1]	294,627	10,298	327,545	225,074
Asia [Member]
Revenue		8,311	163,935	231,817	299,826
Asia [Member] | Maintenance [Member]
Revenue		3,500	3,000	8,501	16,970
Asia [Member] | Professional Services [Member]
Revenue				2,000
Asia [Member] | License [Member]
Revenue				69,000
Asia [Member] | Hardware [Member]
Revenue		$ 4,811	$ 160,935	$ 152,316	$ 282,856
[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_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

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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- Details

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- Details

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