Acquisitions (Details) - USD ($) $ in Thousands			3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 20, 2017	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016	Dec. 31, 2016
Business Acquisition [Line Items]
Cash consideration before working capital adj		$ 8,750
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net [Abstract]
Goodwill	$ 7,130		$ 7,130		$ 7,130		$ 5,612
Business Combination, Acquired Receivables [Abstract]
Business Combination, Acquired Receivable, Fair Value		5,121
Business Combination, Acquired Receivables, Gross Contractual Amount		5,121
Business Combination, Acquired Receivables, Estimated Uncollectible		0
Business Acquisition, Goodwill, Expected Tax Deductible Amount		1,518
Business Acquisition, Pro Forma Information [Abstract]
Business Acquisition, Pro Forma Revenue			23,055	$ 24,097	77,470	$ 70,175
Business Acquisition, Pro Forma Net Income (Loss)			$ (293)	$ 241	$ 448	$ (69)
Business Combination, Pro Forma Information, Revenue of Acquiree since Acquisition Date, Actual	1,156
Business Combination, Pro Forma Information, Earnings or Loss of Acquiree since Acquisition Date, Actual	$ 36
Acquisition-related Costs [Member]
Business Acquisition, Pro Forma Information, Nonrecurring Adjustment [Line Items]
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest		$ 473
Absolute Consulting, Inc. [Member]
Business Acquisition [Line Items]
Percentage of ownership interest acquired		100.00%
Business Acquisition, Name of Acquired Entity	Absolute Consulting, Inc.
Business Acquisition, Effective Date of Acquisition		Sep. 20, 2017
Cash purchase price		$ 8,910
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net [Abstract]
Cash		455
Contract receivables		5,121
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Prepaid Expense and Other Assets		70
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Equipment		102
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles		3,340
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Accounts Payable		(78)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Other		(1,618)
Identifiable Net assets acquired		7,392
Goodwill		1,518
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net, Total		$ 8,910
Business Combination, Acquired Receivables [Abstract]
Maximum term of intangible assets amortization		5 years
Minimum term of intangible assets amortization		3 years
Cash consideration in escrow		$ 1,000