Acquisitions - Narrative (Details) (USD $)	3 Months Ended		0 Months Ended
	Mar. 31, 2015	Mar. 31, 2014	Mar. 31, 2015	Mar. 27, 2015
Business Acquisition [Line Items]
Net revenues	$ 53,494,000	$ 48,284,000
Net Income (Loss) Attributable to Parent	7,826,000	8,981,000
Feeney Wireless
Business Acquisition [Line Items]
Net revenues			300,000
Net Income (Loss) Attributable to Parent			(400,000)
Feeney Wireless
Business Acquisition [Line Items]
Total purchase price				24,777,000
Cash payments				9,268,000
Escrow amount and certain other pre-closing adjustments				1,500,000
Other assumed liabilities				509,000
Future issuance of common stock				15,000,000
Maximum contingent earn-out				25,000,000
Period to pay contingent earn-out				4 years
Feeney Wireless | Accrued Liabilities
Business Acquisition [Line Items]
Fair value of contingent consideration	100,000		100,000
Feeney Wireless | General and Administrative Expense
Business Acquisition [Line Items]
Acquisition costs	$ 900,000