Significant Accounting Policies - Schedule of Property and Equipment Estimated Useful Lives (Details)	12 Months Ended
	Dec. 31, 2018
Computer Hardware And Software [Member]
Finite Lived Intangible Assets [Line Items]
Estimated useful lives	4 years
Furniture And Fixtures [Member]
Finite Lived Intangible Assets [Line Items]
Estimated useful lives	5 years
Machinery And Equipment [Member]
Finite Lived Intangible Assets [Line Items]
Estimated useful lives	10 years
Demonstration Lasers And Lasers Placed With Customers [Member] | Minimum [Member]
Finite Lived Intangible Assets [Line Items]
Estimated useful lives	3 years
Demonstration Lasers And Lasers Placed With Customers [Member] | Maximum [Member]
Finite Lived Intangible Assets [Line Items]
Estimated useful lives	5 years
Automobiles [Member]
Finite Lived Intangible Assets [Line Items]
Estimated useful lives	5 years