Note 12 - Consolidated Statements of Changes in Equity (Tables)

3 Months Ended

Mar. 31, 2019

Notes Tables

Schedule of Stockholders Equity [Table Text Block]

	Preferred Shares		Common Shares		Common Stock		Warrants part of Additional Paid-in Capital		Additional Paid-in Capital		Accumulated Deficit			Non- Controlling Interest			Total
Balance, December 31, 2018		-		914,206,832	$	914	$	18,179	$	286,276	$	(258,854	)	$	(74	)	$	46,441
Stock option exercises				109,792		-				11								11
Stock-based compensation				-		-				182								182
Net loss												(1,768	)					(1,768	)
Balance, March 31, 2019		-		914,316,624	$	914	$	18,179	$	286,469	$	(260,622	)	$	(74	)	$	44,866

	Preferred Shares		Common Shares		Common Stock		Warrants part of Additional Paid-in Capital		Additional Paid-in Capital		Accumulated Deficit			Non- Controlling Interest			Total
Balance, December 31, 2017		-		908,768,116	$	909	$	18,179	$	284,894	$	(250,154	)	$	(73	)	$	53,755
Stock option exercises				415,476		-				42								42
Stock-based compensation										281								281
Net loss												(2,163	)		-			(2,163	)
Balance, March 31, 2018		-		909,183,592	$	909	$	18,179	$	285,217	$	(252,317)	)	$	(73	)	$	51,915