Income Taxes - Reconciliation of the Federal Statutory Income Tax (Details)	12 Months Ended
Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Income Tax Disclosure [Abstract]
Federal statutory rate	21.00%	21.00%	35.00%
State taxes, net of federal benefit	(1.36%)	3.52%	0.40%
Nondeductible compensation	(1.49%)	(15.33%)	0.66%
Meals & entertainment	(2.04%)	(24.16%)	1.93%
Keyman life insurance	(0.02%)	(0.15%)	0.02%
Inventory contribution deduction	0.06%	0.48%	(0.06%)
Domestic production activities deduction	0.00%	0.00%	(1.54%)
Fair value adjustment	0.00%	0.00%	(2.76%)
Equity Compensation	(5.05%)	10.82%	(9.90%)
Tax Credits	0.45%	19.75%	(3.37%)
Uncertain tax position	1.22%	(2.35%)	0.46%
Write-off of net operating losses	0.00%	(11.81%)	0.00%
Payable true-up	0.52%	(2.69%)	0.65%
Sale of Stability	0.00%	0.00%	(8.86%)
Fixed asset true-up	0.00%	5.33%	0.00%
Federal provision to return	0.02%	1.58%	0.13%
Impact of federal rate change	0.00%	0.00%	26.79%
Other	(0.46%)	(0.25%)	(0.03%)
Valuation allowance	(12.83%)	(788.33%)	(83.08%)
Effective income tax rate	0.02%	(782.59%)	(43.56%)

Effective Income Tax Rate Reconciliation, Adjustment to Fixed Assets, Percent

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Effective Income Tax Rate Reconciliation, FIN 48, Percent

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Effective Income Tax Rate Reconciliation, Fair Value Adjustment, Percent

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Effective Income Tax Rate Reconciliation, Nondeductible Expense, Compensation Cost, Percent

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

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Percentage of difference between reported income tax expense (benefit) and 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 share-based payment arrangement.

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Percentage 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 applicable to state and local income tax expense (benefit), net of federal tax expense (benefit).

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Percentage 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 credits. Including, but not limited to, research credit, foreign tax credit, investment tax credit, and other tax credits.

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