Annual report pursuant to Section 13 and 15(d)

Significant Balance Sheet Components - Schedule of Prepaids and Other Current Assets (Details)

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Significant Balance Sheet Components - Schedule of Prepaids and Other Current Assets (Details) - USD ($)
$ in Thousands
Dec. 31, 2020
Dec. 31, 2019
Significant Balance Sheet Components [Abstract]    
Deposits for manufacturing inventory $ 1,133 $ 897
Prepaid taxes 641 1,031
Refundable value added taxes 509 1,376
Prepaid – NRE 2,629  
Prepaid licenses and royalties 728 761
Director and officer insurance 862 604
Prepaid parts (direct buy) 167 536
Other 1,076 1,225
Total prepaids and other current assets $ 7,481 $ 6,430