Annual report pursuant to Section 13 and 15(d)

Organization and Summary of Significant Accounting Policies - Summary of Activity Product Returns and Discounts and Rebates (Details)

v3.20.1
Organization and Summary of Significant Accounting Policies - Summary of Activity Product Returns and Discounts and Rebates (Details)
$ in Thousands
12 Months Ended
Dec. 31, 2019
USD ($)
Balance at December 31, 2018 $ 81
Provision 976
Payments/credits (248)
Balance at December 31, 2019 809
Product Returns Allowance [Member]  
Balance at December 31, 2018 33
Provision 752
Payments/credits (64)
Balance at December 31, 2019 721
Discounts and Rebates Allowance [Member]  
Balance at December 31, 2018 48
Provision 224
Payments/credits (184)
Balance at December 31, 2019 88
Allowance for Doubtful Accounts [Member]  
Balance at December 31, 2018 0
Provision 63
Payments/credits 0
Balance at December 31, 2019 $ 63