CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Statement Of Financial Position [Abstract]
Accounts receivable, allowance for doubtful accounts (in dollars)	$ 725	$ 510
Preferred stock, par value (in dollars per share)	$ 0.001	$ 0.001
Preferred stock, shares authorized	10,000,000	10,000,000
Preferred stock, shares issued	0	0
Preferred stock, shares outstanding	0	0
Non-designated common stock, par value (in dollars per share)	$ 0.00005	$ 0.00005
Non-designated common stock, shares authorized	190,000,000	190,000,000
Non-designated common stock, shares issued	25,580,107	25,060,000
Non-designated common stock, shares outstanding	24,580,107	24,060,000
Treasury stock, issued not outstanding	1,000,000	1,000,000