Acquisitions (Details) - USD ($) $ in Thousands		3 Months Ended
	Feb. 15, 2019	Mar. 31, 2020	Mar. 31, 2019	Dec. 31, 2019
Purchase price allocation [Abstract]
Goodwill		$ 13,339		$ 13,339
Goodwill impairment loss		0
Impairment		4,302
Revenue		$ 17,705	$ 22,194
DP Engineering Ltd, CO. [Member]
Business Acquisition [Abstract]
Percentage of ownership interest acquired	100.00%
Business acquisition, name of acquired entity		DP Engineering
Business acquisition, effective date of acquisition		Feb. 15, 2019
Calculation of Adjusted Purchase Price [Abstract]
Base purchase price per agreement	$ 13,500
Pre closing working capital adjustment	155
Fair value of contingent consideration	1,200
Total purchase price	14,855
Acquisition [Abstract]
Total purchase price	14,855
Purchase price allocation [Abstract]
Cash	134
Contract receivables	2,934
Prepaid expenses and other current assets	209
Property, and equipment, net	98
Intangible assets	6,798
Other assets	1,806
Accounts payable and accrued expenses	(1,396)
Other liabilities	(1,494)
Total identifiable net assets	9,089
Goodwill	5,766
Net assets acquired	14,855
Proceeds from issuance of debt	14,263
Goodwill impairment loss			(5,600)
Earn-out amount	1,200			2,000
Indemnification amount	$ 1,200			$ 2,000
Impairment		$ 4,300
Revenue		$ 1,372
Selling, general and administrative costs			$ 600
DP Engineering Ltd, CO. [Member] | Minimum [Member]
Purchase price allocation [Abstract]
Finite-lived intangible assets, weighted average useful life	5 years
DP Engineering Ltd, CO. [Member] | Maximum [Member]
Purchase price allocation [Abstract]
Finite-lived intangible assets, weighted average useful life	15 years