Annual report pursuant to Section 13 and 15(d)

CONSOLIDATED BALANCE SHEETS (Parenthetical)

v3.20.4
CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($)
$ in Thousands
Dec. 31, 2020
Dec. 31, 2019
Statement of Financial Position [Abstract]    
Amortized cost, current $ 158,148 $ 150,517
Allowance for credit losses, current 0 0
Amortized cost, noncurrent 45,181 59,468
Allowance for credit losses, noncurrent $ 0 $ 0
Preferred stock, par value $ 0.0001 $ 0.0001
Preferred stock, shares authorized 25,000,000 25,000,000
Preferred stock, shares issued 0 0
Preferred stock, shares outstanding 0 0
Common stock, par value $ 0.0001 $ 0.0001
Common stock, shares authorized 150,000,000 150,000,000
Common stock, shares issued 39,401,976 39,153,195
Common stock, shares outstanding 39,401,976 39,153,195