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Capital Stock (Tables)

6 Months Ended

Jun. 30, 2019

Capital Stock Disclosure [Abstract]

Schedule Of Stock Options And Restricted Stock Units Activity Rollforward [Table Text Block]

			Stock Options						Restricted Stock Units						Market Condition RSU's
						Weighted
			Stock			Average			Restricted						Market
			Options			Exercise			Stock Units			Grant Date			Condition RSU's			Grant Date
			Outstanding			Price			Outstanding			Fair Value			Outstanding			Fair Value
Balance at December 31, 2018			1,956,732			$	4.25		1,233,762			$	3.36		116,944			$	4.19
	Granted		587,909				3.73		599,977				3.19		75,514				4.16
	Exercised		(2,500)				3.25		-				-		-				-
	Expired		(2,635)				2.28		-				-		-				-
	Vested (RSUs)		-				-		(550,200)				3.46		(3,778)				4.19
	Cancelled / forfeited		(356,649)				4.03		(229,883)				3.48		(124,607)				4.19
Balance at June 30, 2019			2,182,857			$	4.15		1,053,656			$	3.19		64,073			$	4.16

Stock Based Compensation Expense Activity By Function [Table Text Block]

		Three Months Ended						Six Months Ended
		June 30,						June 30,
		2019			2018			2019			2018
		(in thousands)
Cost of revenues	$	8		$	15		$	21		$	26
Sales and marketing		36			102			29			226
General and administrative		529			576			1,080			1,273
Research and development		42			41			76			71
Discontinued operations		-			-			-			150
Total stock-based compensation	$	615		$	734		$	1,206		$	1,746

Basic and Diluted Shares [Table Text Block]

		Three Months Ended				Six Months Ended
		June 30,				June 30,
		2019		2018		2019		2018
Basic		37,735,717		36,082,258		37,682,539		35,774,334
Effect of assumed conversion of employee and director stock options, restricted stock units and Market Condition RSUs		-		-		-		-
Diluted		37,735,717		36,082,258		37,682,539		35,774,334

Black-Scholes option pricing model [Member]

Share-Based Compensation Arrangement By Share-Based Payment Award [Line Items]

Table Of Assumptions [Table Text Block]

	Three Months Ended						Six Months Ended
	June 30,						June 30,
	2019			2018			2019			2018
Volatility	47.76	%		42.31	%		45.69	%		42.31	%
Risk-free interest rate	1.86	%		2.82	%		2.42	%		2.82	%
Expected holding period (in years)	4.70	years		4.95	years		4.73	years		4.95	years
Dividend yield	-	%		-	%		-	%		-	%

Monte-Carlo valuation simulation [Member]

Share-Based Compensation Arrangement By Share-Based Payment Award [Line Items]

Table Of Assumptions [Table Text Block]

	Six Months Ended
	June 30,
	2019			2018
Volatility	48.00	%		44.02	%
Risk-free interest rate	2.50	%		2.27	%
Correlation coefficient	0.27	%		0.07	%
Dividend yield	-	%		-	%

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