Foreign Operations (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019	Dec. 31, 2019
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues by geographic area	$ 1,076	$ 1,491	$ 2,880	$ 2,854
Operating income (loss) by geographic area	(5,128)	(4,725)	(10,693)	(9,587)
Net income (loss) by geographic area	(7,304)	(5,231)	(13,469)	(10,380)
Identifiable assets by geographic area	56,812		56,812		$ 21,219
Long lived assets by geographic area	11,933		11,933		11,673
United States [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues by geographic area	536	1,473	1,715	2,834
Operating income (loss) by geographic area	(5,231)	(4,173)	(10,606)	(8,700)
Net income (loss) by geographic area	(7,503)	(4,681)	(13,569)	(9,495)
Identifiable assets by geographic area	47,436		47,436		11,061
Long lived assets by geographic area	5,434		5,434		4,347
Canada [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues by geographic area	1,378	18	2,726	20
Operating income (loss) by geographic area	(4)	(604)	(139)	(911)
Net income (loss) by geographic area	92	(602)	48	(909)
Identifiable assets by geographic area	8,927		8,927		9,675
Long lived assets by geographic area	6,213		6,213		6,981
India [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues by geographic area	297	168	425	236
Operating income (loss) by geographic area	107	52	52	24
Net income (loss) by geographic area	107	52	52	24
Identifiable assets by geographic area	449		449		483
Long lived assets by geographic area	286		286		345
Eliminations [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues by geographic area	(1,135)	(168)	(1,986)	(236)
Operating income (loss) by geographic area
Net income (loss) by geographic area
Identifiable assets by geographic area
Long lived assets by geographic area