CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Income Statement [Abstract]
Net revenue	$ 68,062	$ 65,802
Cost of revenue	16,465	17,226
Gross profit	51,597	48,576
Operating expenses:
Research and development	24,319	27,850
Sales and marketing	21,042	23,016
General and administrative	17,331	21,820
Restructuring and other charges	2,529	1,954
Operating Expenses, Total	56,621	75,640
Operating Income (Loss), Total	(5,024)	(27,064)
Other income (expenses):
Interest expense	(20)	0
Interest income	38	98
Gain on equity and other investments, net	111	12,338
Other income (expense), net	(164)	102
Total other income (expenses), net	(35)	12,538
Loss from continuing operations before income taxes	(5,059)	(14,526)
Income tax expense	55	702
Net loss from continuing operations	(5,114)	(15,228)
Net loss from discontinued operations, net of tax	(206)	(6,030)
Net loss	(5,320)	(21,258)
Net Income (Loss) Attributable to Noncontrolling Interest	(284)	(163)
Net loss attributable to noncontrolling interest of discontinued operations	(184)	(1,094)
Net loss attributable to RealNetworks	(4,852)	(20,001)
Income (Loss) from Continuing Operations, Net of Tax, Attributable to Parent	(4,830)	(15,065)
Income (Loss) from Discontinued Operations, Net of Tax, Attributable to Parent	$ (22)	$ (4,936)
Income (Loss) from Continuing Operations, Per Basic Share	$ (0.13)	$ (0.40)
Discontinued operations	0	(0.13)
Total net loss per share - Basic	(0.13)	(0.53)
Continuing operations	(0.13)	(0.40)
Discontinued operations	0	(0.13)
Total net loss per share - Diluted	$ (0.13)	$ (0.53)
Shares used to compute basic net loss per share	38,272	37,994
Shares used to compute diluted net loss per share	38,272	37,994
Fair value adjustments to contingent consideration liability	$ (8,600)	$ 1,000