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Segment Reporting and Geographic Information - Schedule of Reconciliation of Segment Data to Consolidated Statement of Operations (Details) - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2020	Dec. 31, 2019
Segment Reporting [Abstract]
Total net income before income taxes for reportable segments		$ 549	$ 155
Gain on PPP loan extinguishment		421
Gain on sale of interest in DSIT			50
Unallocated net cost of corporate headquarters	[1]	(894)	(852)
Consolidated net income (loss) before taxes on income		$ 76	$ (697)
[1] Includes approximately $35,000 and $22,000 of stock compensation expense for the years ended December 31, 2020 and 2019, respectively.

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