CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Income Statement [Abstract]
Sales	$ 7,575	$ 3,672	$ 19,772	$ 10,760
Cost of sales	2,558	1,151	6,757	3,490
Gross profit	5,017	2,521	13,015	7,270
Other costs and expenses:
Research and development	936	613	2,634	1,890
Professional services	1,996	628	5,756	1,815
Salaries and related costs	3,020	2,119	9,691	5,734
Selling, general and administrative	3,762	1,957	9,869	6,280
Total other costs and expenses	9,714	5,317	27,950	15,719
Loss from operations	(4,697)	(2,796)	(14,935)	(8,449)
Interest income	327	135	1,153	135
Interest expense	0	(30)	0	(102)
Other income (losses), net	230	(155)	5	(155)
Change in value of derivative liabilities	0	0	0	20
Total other income (expense), net	557	(50)	1,158	(102)
Loss before income taxes	(4,140)	(2,846)	(13,777)	(8,551)
Income tax expense (benefit)	171	(2,408)	123	(2,384)
Loss from continuing operations	(4,311)	(438)	(13,900)	(6,167)
Income from discontinued operations, net of tax	0	540	0	5,062
Gain on sale of Core Business, net of tax	0	69,072	0	69,072
Total income from discontinued operations, net of tax	0	69,612	0	74,134
Net income (loss)	$ (4,311)	$ 69,174	$ (13,900)	$ 67,967
EPS from continuing operations:
Basic and diluted (in dollars per share)	$ (0.13)	$ (0.01)	$ (0.41)	$ (0.19)
EPS from discontinued operations:
Basic (in dollars per share)	0.00	2.09	0.00	2.25
Diluted (in dollars per share)	0.00	1.99	0.00	2.19
EPS from total operations:
Basic (in dollars per share)	(0.13)	2.08	(0.41)	2.06
Diluted (in dollars per share)	$ (0.13)	$ 1.98	$ (0.41)	$ 2.00