Acquisitions (Details) - USD ($) $ in Thousands			12 Months Ended
	Feb. 15, 2019	May 11, 2018	Dec. 31, 2019	Dec. 31, 2018	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2017
Purchase price allocation [Abstract]
Goodwill			$ 13,339	$ 13,170	$ 13,339	$ 13,339	$ 13,339	$ 8,431
Revenues			$ 82,975	92,249
True North Consulting, LLC [Member]
Business Acquisition [Abstract]
Business acquisition, effective date of acquisition		May 11, 2018
Business acquisition, name of acquired entity			True North Consulting LLC
Percentage of ownership interest acquired		100.00%
Cash consideration in escrow		$ 1,500
Proceeds from issuance of debt		10,300
Period to satisfy indemnification claims			18 months
Calculation of Adjusted Purchase Price [Abstract]
Base purchase price per agreement		9,750
Total purchase price		9,915
Acquisition [Abstract]
Total purchase price		9,915
Purchase price allocation [Abstract]
Cash		306
Contract receivables		1,870
Prepaid expenses and other current assets		8
Property, and equipment, net		1
Intangible assets		5,088
Accounts payable		(1,744)
Accrued compensation		(353)
Total identifiable net assets		5,176
Goodwill		4,739
Net assets acquired		9,915
Acquired receivable, fair value		1,870
Revenues			$ 9,848	7,986
Transaction costs				$ 540
DP Engineering Ltd, CO. [Member]
Business Acquisition [Abstract]
Business acquisition, effective date of acquisition	Feb. 15, 2019
Business acquisition, name of acquired entity	DP Engineering
Percentage of ownership interest acquired	100.00%
Cash consideration in escrow	$ 1,700
Proceeds from issuance of debt	14,300	14,300
Earn-out amount	5,000		2,000
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	13,500
Acquisition [Abstract]
Total purchase price	14,855	$ 13,500
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	(1,396)
Other liabilities	(1,494)
Total identifiable net assets	9,089
Goodwill	5,766
Net assets acquired	14,855
Acquired receivable, fair value	2,934
Revenues	$ 8,178
Transaction costs			$ 744