Stock-Based Compensation (Tables)

3 Months Ended

Sep. 30, 2020

Share-based Payment Arrangement [Abstract]

Stock-Based Compensation Expense

Total stock-based compensation expense recognized in our unaudited condensed consolidated statements of operations and comprehensive income (loss) includes amounts related to stock options, restricted stock, and employee stock purchase plans and was as follows (in thousands):

	Quarter Ended September 30,				Nine Months Ended September 30,
	2020		2019		2020		2019
Total stock-based compensation expense	$	390	$	503	$	1,093	$	2,420

Weighted-Average Assumptions Used to Determine Fair Value of Options Granted

The fair value of RealNetworks options granted determined using the Black-Scholes model used the following weighted-average assumptions:

	Quarter Ended September 30,				Nine Months Ended September 30,
	2020		2019		2020		2019
Expected dividend yield	0	%	0	%	0	%	0	%
Risk-free interest rate	0.21	%	1.71	%	0.40	%	2.16	%
Expected life (years)	4.0		3.8		4.0		4.1
Volatility	45	%	41	%	45	%	41	%