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Summary of Significant Accounting Policies - Contract Balances (Details) - USD ($) $ in Thousands | Jun. 30, 2022 | Dec. 31, 2021
--- | --- | ---
Accounts Receivable |  |
Accounts receivable - contracts with customers | $ 3,817 | $ 3,354
Accounts receivable - ASC 842 | 8,424 | 8,164
Total Accounts Receivable | 12,241 | 11,518
Less: Allowance for doubtful accounts | (380) | (1,129)
Total Accounts Receivable, net | 11,861 | 10,389
Deferred income | $ 0 | $ 1,312

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