Reconciliation Of Reported Segment Information From Segments To Consolidated Financial Statement Items (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012	Dec. 31, 2012
Other income (expenses)	$ 0	$ 8	$ 0	$ (299)
Interest expense	91	(11)	91	0
Interest expense	39	71	308	175
Total interest expense	130	60	399	175
Depreciation and amortization	118	272	358	283
Segment income (loss)	104	(1,627)	(2,177)	(1,578)
Intellectual property licensing	624	0	824	0
Income tax expense (recovery)	387	(638)	(466)	(612)
Net income (loss) from continuing operations	(260)	(1,000)	(1,650)	(1,031)
Segment assets	57,687	60,932	57,687	60,932	61,310
Reportable Segments [Member]
Other income (expenses)	0	7	0	(301)
Interest expense	39	70	308	174
Depreciation and amortization	118	272	358	283
Segment income (loss)	(112)	(311)	(1,631)	755
Segment assets	24,685	27,349	24,685	27,349
Unallocated Amount to Segment [Member]
Other income (expenses)	0	1	0	2
Interest expense	91	(11)	91	0
Interest expense	0	1	0	1
Depreciation and amortization	0	0	0	0
Intellectual property licensing	624	0	824	0
Other income (expense) and earnings (loss) of other equity accounted investments	22	(11)	61	(63)
Other corporate expenses (primarily corporate level interest, general and administrative expenses)	(407)	(1,316)	(1,370)	(2,335)
Segment assets	$ 33,002	$ 33,583	$ 33,002	$ 33,583