Business Combination (Details Textual) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Business Combination Disclosure [Line Items]
Cash consideration per Stock Purchase Agreement	$ 68,000
Net Working Capital And Other Cash Consideration Adjustments	3,400
Payments to Acquire Notes Receivable	$ 2,500
Predecessor [Member]
Business Combination Disclosure [Line Items]
Increased Amortization		$ 1,500
Increased Interest Expense		2,000
Decreased Income Tax Benefit		$ 500
Private Placement [Member] | Common Stock [Member]
Business Combination Disclosure [Line Items]
Business Acquisition, Share Price	$ 8.50
Business Combination, Consideration Transferred, Equity Interests Issued and Issuable	$ 5,600
Conversion of Stock, Shares Issued	658,513
STG Group Holdings Inc [Member] | Common Stock [Member]
Business Combination Disclosure [Line Items]
Stock Issued During Period, Shares, Acquisitions	8,578,199
Stock Issued During Period, Shares, Share-based Compensation, Forfeited	445,161
Stock Issued During Period, Shares, Share-based Compensation, Gross	35,000
Business Acquisition, Share Price	$ 8.50