Capital Stock (Tables)

3 Months Ended

Mar. 31, 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	559,909		3.80	383,827		3.67	75,514		4.16
	Exercised	(2,500)		3.25	-		-	-		-
	Vested (RSUs)	-		-	(439,875)		3.26	-		-
	Cancelled / forfeited	(75,000)		4.66	(95,509)		2.83	(22,500)		4.19
Balance at March 31, 2019		2,439,141	$	4.13	1,082,205	$	3.56	169,958	$	4.18

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

		Three Months Ended
		March 31,
		2019		2018
		(in thousands)
Cost of revenues	$	13	$	11
Sales and marketing		(7)		124
General and administrative		551		697
Research and development		34		30
Discontinued operations		-		150
Total stock-based compensation	$	591	$	1,012

Basic and Diluted Shares [Table Text Block]

	Three Months Ended
	March 31,
	2019	2018
Basic	37,644,684	35,462,989
Effect of assumed conversion of employee and director stock options, restricted stock units and Market Condition RSUs	-	-
Diluted	37,644,684	35,462,989

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
	March 31,
	2019
Volatility	45.58	%
Risk-free interest rate	2.44	%
Expected holding period (in years)	4.73	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]

	Three Months Ended
	March 31,
	2019
Volatility	48.00	%
Risk-free interest rate	2.50	%
Correlation coefficient	0.27	%
Dividend yield	-	%