Income Taxes - Schedule of Provision for Income Taxes (Details) - USD ($)	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020
Income Tax Disclosure [Abstract]
Federal statutory rate	$ 4,139,000	$ (8,278,000)
State tax benefit	812,000	(1,740,000)
Change in valuation allowance	(288,000)	787,000
Tetraphase net operating losses and other adjustments	(4,670,000)
Share-based compensation expense	565,000	9,072,000
State rate true-up	(369,000)	291,000
Research and development credits		(173,000)
Other permanent differences	(140,000)	41,000
Provision for income taxes	$ 49,000	$ 0

Effective Income Tax Rate Reconciliation, State Rate True-Up

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Income tax reconciliation net operating loss and other adjustments.

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Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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The amount of income tax expense or benefit for the period computed by applying the domestic federal statutory tax rates to pretax income from continuing operations.

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Amount of reported income tax expense (benefit) in excess of (less than) expected income tax expense (benefit) computed by applying domestic federal statutory income tax rate to pretax income (loss) from continuing operation, attributable to nondeductible expense for award under share-based payment arrangement. Includes, but is not limited to, expense determined to be nondeductible upon grant or after for award under share-based payment arrangement.

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Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to tax exempt income, equity in earnings (loss) of an unconsolidated subsidiary, minority noncontrolling interest income (loss), tax holiday, disposition of a business, disposition of an asset, repatriation of foreign earnings, repatriation of foreign earnings jobs creation act of 2004, increase (decrease) in enacted tax rate, prior year income taxes, increase (decrease) in deferred tax asset valuation allowance, and other adjustments.

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