Note 13 - Stockholders' (Deficit) (Tables)

3 Months Ended

Mar. 31, 2015

Note 13 - Stockholders' (Deficit) (Tables) [Line Items]

Schedule of Dividends in Arrears [Table Text Block]

	Cumulative arrearage as of March 31,				Cumulative arrearage per share as of March 31,
Series of preferred stock	2015		2014		2015		2014
Series A	$	2,637,560	$	2,431,298	$	0.64	$	0.59
Series B		609,887		609,887	$	3.05	$	3.05
Series C		1,472,093		1,472,093	$	4.37	$	4.37
Total preferred stock arrearage	$	4,719,540	$	4,513,278

Schedule of Dividends Payable [Table Text Block]

	Dividends accreted				Dividends per share
	three months ended March 31,				three months ended March 31,
	2015		2014		2015		2014
Preferred stock dividends in arrears Series A	$	50,859	$	50,859	$	0.012	$	0.012
Preferred stock dividends in arrears Series B	$	-0-	$	-0-	$	-0-	$	-0-
Preferred stock dividends in arrears Series C	$	-0-	$	-0-	$	-0-	$	-0-

Schedule of Stockholders' Equity Note, Warrants or Rights [Table Text Block]

March 31, 2015 warrants outstanding							March 31, 2015 warrants exercisable
	Number outstanding at		Weighted average		Weighted average		Number exercisable at		Weighted average
Range of exercise price	March 31, 2015		remaining contractual life		exercise price		March 31, 2015		exercise price
$0.25 – $0.60		52,263,517		1.96	$	0.34		52,263,517	$	0.34

December 31, 2014 warrants outstanding							December 31, 2014 warrants exercisable
	Number outstanding at		Weighted average		Weighted average		Number exercisable at		Weighted average
Range of exercise price	December 31, 2014		remaining contractual life		exercise price		December 31, 2014		exercise price
$0.25 – $0.60		48,463,517		1.17	$	0.35		48,463,517	$	0.35

Schedule of Share-based Compensation, Activity [Table Text Block]

	Weighted average grant date fair value
	2015		2014
Stock options granted during the three month period ended March 31,	$	0.29	$	0.15
Stock options vested during the three month period ended March 31,	$	0.15	$	0.04
Stock options forfeited during the three month period ended March 31,	$	-0-	$	0.36

Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block]

	Foreign currency translation			Accumulated other comprehensive (loss)
Balance at December 31, 2013	$	(87,604	)	$	(87,604	)
2014 Activity		(156,223	)		(156,223	)
Balance at December 31, 2014		(243,827	)		(243,827	)
2015 Activity		(105,457	)		(105,457	)
Balance at March 31, 2015	$	(349,284	)	$	(349,284	)

Warrant [Member]

Note 13 - Stockholders' (Deficit) (Tables) [Line Items]

Schedule of Share-based Compensation, Activity [Table Text Block]

Warrants
Balance at December 31, 2013		44,728,873
Issued		3,920,000
Exercised		-0-
Expired/forfeited		(185,356	)
Balance at December 31, 2014		48,463,517
Issued		3,800,000
Exercised		-0-
Expired/forfeited		-0-
Balance at March 31, 2015		52,263,517
Warrants exercisable at March 31, 2015		52,263,517
Weighted average fair value of warrants granted during 2014	$	0.18
Weighted average fair value of warrants granted during 2015	$	0.18