Note 9 - Fair Value Measurement (Tables)

12 Months Ended

Dec. 31, 2018

Notes Tables

Fair Value, Liabilities Measured on Recurring Basis [Table Text Block]

	Fair value at		Quoted prices in active markets for identical assets/ liabilities		Significant other observable inputs		Significant unobservable inputs
Derivatives: (1) (2)	December 31, 2018		(Level 1)		(Level 2)		(Level 3)
Conversion feature liability	$	706,339	$	-0-	$	-0-	$	706,339
Warrant liability		1,288,899		-0-		-0-		1,288,899
Total of derivative liabilities	$	1,995,238	$	-0-	$	-0-	$	1,995,238

	Fair value at		Quoted prices in active markets for identical assets/ liabilities		Significant other observable inputs		Significant unobservable inputs
Derivatives: (1) (2)	December 31, 2017		(Level 1)		(Level 2)		(Level 3)
Conversion feature liability	$	1,685,947	$	-0-	$	-0-	$	1,685,947
Warrant liability		3,440,799		-0-		-0-		3,440,799
Total of derivative liabilities	$	5,126,746	$	-0-	$	-0-	$	5,126,746

Fair Value Measurements, Recurring and Nonrecurring [Table Text Block]

Significant valuation assumptions for derivative instruments at December 31, 2018
Risk free interest rate	2.70%	to	2.70%
Dividend yield		0.00%
Expected volatility	92.2%	to	97.0%
Expected life (range in years)
Conversion feature liability	1.25	to	2.25
Warrant liability	0.00	to	2.25

Significant valuation assumptions for derivative instruments at December 31, 2017
Risk free interest rate	1.56%	to	1.81%
Dividend yield		0.00%
Expected volatility	87.0%	to	118.4%
Expected life (range in years)
Conversion feature liability	1.25	to	3.25
Warrant liability	0.25	to	3.25

Fair Value Measurements, Nonrecurring [Table Text Block]

	Carrying amount		Carrying amount		Quoted prices in active markets for identical assets/ liabilities		Significant other observable inputs		Significant unobservable inputs
Acquired assets (1)	December 31, 2017		December 31, 2018		(Level 1)		(Level 2)		(Level 3)
Promasys B.V. customer list (2) (3)	$	85,786	$	-0-	$	-0-	$	-0-	$	136,253
Promasys B.V. software code (2)		12,139		-0-		-0-		-0-		72,943
Acuity software code (4)		-0-		730,835		-0-		-0-		1,052,403
Total	$	97,925	$	730,835	$	-0-	$	-0-	$	1,261,599

	Carrying amount		Carrying amount		Quoted prices in active markets for identical assets/ liabilities		Significant other observable inputs		Significant unobservable inputs
Acquired assets (1)	December 30, 2016		December 31, 2017		(Level 1)		(Level 2)		(Level 3)
Promasys B.V. customer list (2)	$	82,173	$	85,786	$	-0-	$	-0-	$	136,253
Promasys B.V. software code (2)		26,707		12,139		-0-		-0-		72,943
Total	$	108,880	$	97,925	$	-0-	$	-0-	$	209,196

Fair Value, Measured on Recurring Basis, Gain (Loss) Included in Earnings [Table Text Block]

	Other income/(expense)
	For the year ended
	December 31, 2018		December 31, 2017
The net amount of gains/(losses) for the period included in earnings attributable to the unrealized and realized gains/(losses) from changes in derivative liabilities at the reporting date	$	3,111,760	$	795,779
Total unrealized and realized gains/(losses) included in earnings	$	3,111,760	$	795,779

Schedule of Derivative Liabilities at Fair Value [Table Text Block]

	Level 3 financial liabilities at fair value
								Net		Reclassification
								purchases,		of conversion
	Balance,							issuances		feature liability		Balance,
	beginning			Net realized		Net unrealized		and		associated with		end
Derivatives:	of year			gains/(losses)		gains/(losses)		settlements		convertible debt		of year
Conversion feature liability	$	(1,685,947	)	$	-0-	$	969,108	$	-0-	$	10,500	$	(706,339	)
Warrant liability		(3,440,799	)		-0-		2,142,652		9,248		-0-		(1,288,899	)
Total of derivative liabilities	$	(5,126,746	)	$	-0-	$	3,111,760	$	9,248	$	10,500	$	(1,995,238	)

	Level 3 financial liabilities at fair value
								Net		Reclassification
								purchases,		of conversion
	Balance,							issuances		feature liability		Balance,
	beginning			Net realized		Net unrealized		and		associated with		end
Derivatives:	of year			gains/(losses)		gains/(losses)		settlements		convertible debt		of year
Conversion feature liability	$	(2,325,730	)	$	48,375	$	188,841	$	-0-	$	402,567	$	(1,685,947	)
Warrant liability		(3,999,362	)		-0-		558,563		-0-		-0-		(3,440,799	)
Total of derivative liabilities	$	(6,325,092	)	$	48,375	$	747,404	$	-0-	$	402,567	$	(5,126,746	)