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Income Taxes - Net deferred tax assets (Details) - USD ($) | Dec. 31, 2020 | Dec. 31, 2019
--- | --- | ---
Deferred tax assets |  |
Net operating loss carryforward | $ 0 |
Total deferred tax assets | 754,457 |
Valuation allowance | (754,457) |
Deferred tax asset, net of allowance | 0 |
BFLY Operations Inc |  |
Deferred tax assets |  |
Net operating loss carryforward | 83,058,000 | $ 52,717,000
Tax Credits | 6,582,000 | 5,271,000
Stock Compensation | 4,088,000 | 2,346,000
Accruals & Reserves | 7,293,000 | 1,785,000
Other | 853,000 | 154,000
Total deferred tax assets | 101,874,000 | 62,273,000
Valuation allowance | (101,773,000) | (62,157,000)
Deferred tax asset, net of allowance | 101,000 | 116,000
Deferred tax liabilities |  |
Depreciation | $ (101,000) | $ (116,000)

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