Quarterly report pursuant to Section 13 or 15(d)

Accrued Liabilities - Additional Information (Detail)

v3.8.0.1
Accrued Liabilities - Additional Information (Detail) - Maximum
 3 Months Ended
Mar. 31, 2018
Waterlase Laser Systems  
Accrued Liabilities [Line Items]  
Product warrant period 16 months
Diode Systems  
Accrued Liabilities [Line Items]  
Product warrant period 28 months