Acquisitions - Summary of Pro Forma Results of Operation (Detail) - USD ($) $ / shares in Units, $ in Thousands |
3 Months Ended | 12 Months Ended | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
Dec. 31, 2015 |
Sep. 30, 2015 |
Jun. 30, 2015 |
Mar. 31, 2015 |
Dec. 31, 2014 |
Sep. 30, 2014 |
Jun. 30, 2014 |
Mar. 31, 2014 |
Dec. 31, 2015 |
Dec. 31, 2014 |
Dec. 31, 2013 |
|
| Business Acquisition [Line Items] | |||||||||||
| Net revenues | $ 44,996 | $ 46,084 | $ 44,883 | $ 42,330 | $ 29,468 | $ 23,126 | $ 24,298 | $ 19,350 | $ 178,293 | $ 96,242 | $ 74,212 |
| Net (loss) income attributable to common shareholders | $ (13,287) | $ (4,721) | |||||||||
| Earnings per share: | |||||||||||
| Basic | $ 0.00 | $ 0.02 | $ (0.17) | $ (0.04) | $ (0.09) | $ 0.00 | $ 0.03 | $ (0.01) | $ (0.19) | $ (0.08) | |
| Diluted | $ 0.00 | $ 0.02 | $ (0.17) | $ (0.04) | $ (0.09) | $ 0.00 | $ 0.02 | $ (0.01) | $ (0.19) | $ (0.08) | |
| Pro Forma [Member] | |||||||||||
| Business Acquisition [Line Items] | |||||||||||
| Net revenues | $ 183,527 | $ 167,735 | |||||||||
| Net (loss) income attributable to common shareholders | $ (12,213) | $ (8,499) | |||||||||
| Earnings per share: | |||||||||||
| Basic | $ (0.17) | $ (0.15) | |||||||||
| Diluted | $ (0.17) | $ (0.15) | |||||||||
| WAM Technologies, LLC [Member] | |||||||||||
| Business Acquisition [Line Items] | |||||||||||
| Net revenues | $ 5,234 | $ 5,655 | |||||||||
| Net (loss) income attributable to common shareholders | $ 1,074 | 906 | |||||||||
| SkyWave Mobile Communications Inc. [Member] | |||||||||||
| Business Acquisition [Line Items] | |||||||||||
| Net revenues | 65,838 | ||||||||||
| Net (loss) income attributable to common shareholders | $ (4,684) | ||||||||||