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Revenue Recognition (Disaggregation of Revenue) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020	Dec. 31, 2020
Disaggregation of Revenue [Line Items]
Revenue	$ 15,888	$ 16,822
Long-term accounts receivable	400		$ 600
Deferred revenue	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	3,309	3,495
Consumer Media \| Business to Business
Disaggregation of Revenue [Line Items]
Revenue	2,053	2,343
Consumer Media \| Direct to Consumer
Disaggregation of Revenue [Line Items]
Revenue	1,256	1,152
Consumer Media \| Software License
Disaggregation of Revenue [Line Items]
Revenue	1,875	2,020
Consumer Media \| Subscription Services
Disaggregation of Revenue [Line Items]
Revenue	818	929
Consumer Media \| Product Sales
Disaggregation of Revenue [Line Items]
Revenue	438	222
Consumer Media \| Advertising and Other
Disaggregation of Revenue [Line Items]
Revenue	178	324
Mobile Services
Disaggregation of Revenue [Line Items]
Revenue	5,980	6,690
Mobile Services \| Business to Business
Disaggregation of Revenue [Line Items]
Revenue	5,885	6,584
Mobile Services \| Direct to Consumer
Disaggregation of Revenue [Line Items]
Revenue	95	106
Mobile Services \| Software License
Disaggregation of Revenue [Line Items]
Revenue	1,391	831
Mobile Services \| Subscription Services
Disaggregation of Revenue [Line Items]
Revenue	4,589	5,859
Mobile Services \| Product Sales
Disaggregation of Revenue [Line Items]
Revenue	0	0
Mobile Services \| Advertising and Other
Disaggregation of Revenue [Line Items]
Revenue	0	0
Games
Disaggregation of Revenue [Line Items]
Revenue	6,599	6,637
Games \| Business to Business
Disaggregation of Revenue [Line Items]
Revenue	1,061	1,095
Games \| Direct to Consumer
Disaggregation of Revenue [Line Items]
Revenue	5,538	5,542
Games \| Software License
Disaggregation of Revenue [Line Items]
Revenue	0	0
Games \| Subscription Services
Disaggregation of Revenue [Line Items]
Revenue	2,528	2,770
Games \| Product Sales
Disaggregation of Revenue [Line Items]
Revenue	3,163	2,978
Games \| Advertising and Other
Disaggregation of Revenue [Line Items]
Revenue	$ 908	$ 889