Consolidated Statements of Operations - USD ($)	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Revenue:
Revenue	$ 73,710,000	$ 59,753,000
Cost of revenue:
Cost of goods and services sold	19,288,000	16,826,000
Gross profit	54,422,000	42,927,000
Operating expenses:
Research and development	8,698,000	8,122,000
Sales and marketing	28,424,000	26,500,000
General and administrative	22,313,000	25,952,000
Intangible assets impairment charges		879,000
Settlement expense	1,110,000	2,193,000
Total operating expenses	60,545,000	63,646,000
Operating loss from continuing operations	(6,123,000)	(20,719,000)
Other income (expense):
Interest income (expense), net	4,247,000	(1,797,000)
Loss on extinguishment of debt		(2,105,000)
Foreign exchange gains (losses)	(1,949,000)	111,000
Other income (expense)	68,000	(271,000)
Loss from continuing operations before income taxes	(3,757,000)	(24,781,000)
Income tax benefit from continuing operations	2,417,000	37,286,000
Income (loss) from continuing operations	(1,340,000)	12,505,000
Discontinued operations:
Income (loss) from discontinued operations before income taxes	(469,000)	1,727,000
Gain on disposition		145,982,000
Income tax expense		(39,435,000)
Income (loss) from discontinued operations	(469,000)	108,274,000
Net income (loss)	$ (1,809,000)	$ 120,779,000
Net income (loss) per ordinary share—basic:
Income (loss) from continuing operations (in dollars per share)	$ (0.05)	$ 0.48
Income (loss) from discontinued operations (in dollars per share)	(0.02)	4.17
Net income (loss) (in dollars per share)	(0.07)	4.65
Net income (loss) per ordinary share—diluted:
Income (loss) from continuing operations (in dollars per share)	(0.05)	0.47
Income (loss) from discontinued operations (in dollars per share)	(0.02)	4.10
Net income (loss) (in dollars per share)	$ (0.07)	$ 4.58
Basic (in shares)	26,569,342	25,982,809
Diluted (in shares)	26,569,342	26,397,875
Product [Member]
Revenue:
Revenue	$ 69,763,000	$ 54,687,000
Cost of revenue:
Cost of goods and services sold	17,831,000	13,668,000
Service [Member]
Revenue:
Revenue	3,947,000	5,066,000
Cost of revenue:
Cost of goods and services sold	$ 1,457,000	$ 3,158,000