Revenue Recognition (Disaggregation of Revenue) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020	Dec. 31, 2020
Disaggregation of Revenue [Line Items]
Revenue	$ 14,561	$ 17,085	$ 30,449	$ 33,907
Long-term accounts receivable	400		400		$ 600
Deferred revenue	2,300		2,300		$ 2,200
Software License
Disaggregation of Revenue [Line Items]
Revenue
Subscription Services
Disaggregation of Revenue [Line Items]
Revenue
Product Sales
Disaggregation of Revenue [Line Items]
Revenue
Advertising and Other
Disaggregation of Revenue [Line Items]
Revenue
Consumer Media
Disaggregation of Revenue [Line Items]
Revenue	2,061	3,159	5,370	6,654
Consumer Media | Business to Business
Disaggregation of Revenue [Line Items]
Revenue	938	1,999	2,991	4,343
Consumer Media | Direct to Consumer
Disaggregation of Revenue [Line Items]
Revenue	1,123	1,160	2,379	2,311
Consumer Media | Software License
Disaggregation of Revenue [Line Items]
Revenue	841	1,702	2,716	3,722
Consumer Media | Subscription Services
Disaggregation of Revenue [Line Items]
Revenue	793	898	1,611	1,827
Consumer Media | Product Sales
Disaggregation of Revenue [Line Items]
Revenue	330	261	768	483
Consumer Media | Advertising and Other
Disaggregation of Revenue [Line Items]
Revenue	97	298	275	622
Mobile Services
Disaggregation of Revenue [Line Items]
Revenue	6,356	6,461	12,336	13,151
Mobile Services | Business to Business
Disaggregation of Revenue [Line Items]
Revenue	6,270	6,362	12,155	12,946
Mobile Services | Direct to Consumer
Disaggregation of Revenue [Line Items]
Revenue	86	99	181	205
Mobile Services | Software License
Disaggregation of Revenue [Line Items]
Revenue	1,931	972	3,322	1,803
Mobile Services | Subscription Services
Disaggregation of Revenue [Line Items]
Revenue	4,425	5,489	9,014	11,348
Mobile Services | Product Sales
Disaggregation of Revenue [Line Items]
Revenue	0	0	0	0
Mobile Services | Advertising and Other
Disaggregation of Revenue [Line Items]
Revenue	0	0	0	0
Games
Disaggregation of Revenue [Line Items]
Revenue	6,144	7,465	12,743	14,102
Games | Business to Business
Disaggregation of Revenue [Line Items]
Revenue	977	1,197	2,038	2,292
Games | Direct to Consumer
Disaggregation of Revenue [Line Items]
Revenue	5,167	6,268	10,705	11,810
Games | Software License
Disaggregation of Revenue [Line Items]
Revenue	0	0	0	0
Games | Subscription Services
Disaggregation of Revenue [Line Items]
Revenue	2,431	2,730	4,959	5,500
Games | Product Sales
Disaggregation of Revenue [Line Items]
Revenue	2,830	3,712	5,993	6,690
Games | Advertising and Other
Disaggregation of Revenue [Line Items]
Revenue	$ 883	$ 1,023	$ 1,791	$ 1,912