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Intangible Assets and Goodwill (Tables)
 12 Months Ended
Dec. 31, 2020
Goodwill and Intangible Assets Disclosure [Abstract]  
Schedule of Finite-Lived Intangible Assets [Table Text Block]
The following table summarizes intangible assets, net (in thousands):
December 31,
20202019
Developed technology$13,117 $13,323 
Supplier agreement1,560 — 
Channel partner relationships730 730 
Capitalized development costs(1)
3,116 3,047 
Customer relationships380 380 
18,903 17,480 
Accumulated amortization:
Developed technology(13,117)(12,682)
Supplier agreement(43)— 
Channel partner relationships(477)(355)
Capitalized development costs(1)
(2,518)(2,094)
Customer relationships(340)(328)
(16,495)(15,459)
Total finite-lived assets, net2,408 2,021 
Indefinite-lived intangible assets - trade names200 280 
Total intangible assets, net$2,608 $2,301 
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(1)    Includes the impact of foreign currency exchange rate fluctuations.