Acquisition (Details) - USD ($) $ in Thousands		3 Months Ended	12 Months Ended
	Sep. 20, 2017	Dec. 31, 2017	Dec. 31, 2017	Dec. 31, 2016
Business Acquisition [Line Items]
Business Acquisition, Effective Date of Acquisition	Sep. 20, 2017
Business Acquisition, Name of Acquired Entity	Absolute Consulting, Inc.
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net [Abstract]
Goodwill		$ 8,431	$ 8,431	$ 5,612
Revenues			70,880	53,101
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-lived Intangible Assets Acquired	$ 2,569
Customer Relationships [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-lived Intangible Assets Acquired	$ 1,856
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	10 years
Trademarks and Trade Names [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-lived Intangible Assets Acquired	$ 713
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	3 years
Absolute Consulting [Member]
Business Acquisition [Line Items]
Business Acquisition, Percentage of Voting Interests Acquired	100.00%
Payments to Acquire Businesses, Gross	$ 9,521
Cash Consideration Before Working Capital Adjustment	8,750
Cash consideration in escrow	1,000
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net [Abstract]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Cash and Equivalents	455
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Receivables	5,121
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Prepaid Expense and Other Assets	68
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Equipment	184
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles	2,569
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	(1,617)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net	6,702
Goodwill	2,819
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net	9,521
Business Acquisition, Goodwill, Expected Tax Deductible Amount	2,819
Business Combination, Acquired Receivables, Gross Contractual Amount	5,121
Business Combination, Acquired Receivable, Fair Value	5,121
Business Combination, Acquired Receivables, Estimated Uncollectible	0
Business Acquisition, Pro Forma Revenue			99,484	93,147
Business Acquisition, Pro Forma Net Income (Loss)			$ 5,735	$ 1,362
Business Acquisition, Transaction Costs	$ 473
Revenues		8,737
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest		$ 561