Segment Information (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2021 USD ($) Segment	Mar. 31, 2020 USD ($)	Feb. 15, 2019
Segment Reporting, Disclosure of Entity's Reportable Segments [Abstract]
Number of reportable business segments | Segment	2
Contract term	2 years
Segment Reporting Information, Profit (Loss) [Abstract]
Revenue	$ 13,104	$ 17,705
Operating loss	(2,187)	(6,133)
Loss on impairment	0	(4,302)
Interest expense, net	(54)	(241)
Gain (loss) on derivative instruments, net	0	(43)
Other income, net	1	29
Loss before income taxes	(2,240)	(6,388)
DP Engineering Ltd, CO. [Member]
Segment Reporting, Disclosure of Entity's Reportable Segments [Abstract]
Percentage of ownership interest acquired			100.00%
Performance Segment [Member]
Segment Reporting Information, Profit (Loss) [Abstract]
Revenue	7,081	9,711
Operating loss	(1,403)	(1,272)
NITC Segment [Member]
Segment Reporting Information, Profit (Loss) [Abstract]
Revenue	6,023	7,994
Operating loss	$ (784)	$ (559)