Organization and Presentation - Additional Information (Details) - Laser Quantum		12 Months Ended
	Jan. 10, 2017	Dec. 31, 2016
Organization And Business Activities [Line Items]
Equity method investment ownership percentage on Laser Quantum		41.00%
Subsequent Event
Organization And Business Activities [Line Items]
Equity method investment ownership percentage on Laser Quantum	76.00%
Percentage of shares acquired	35.00%