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Debt - Leaf Capital (Narrative) (Details) - USD ($)	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Debt Instrument [Line Items]
Long-term, gross	$ 29,690,000	$ 50,258,000
Long-term Debt	$ 25,198,000	0
Term loans payable | Leaf Capital Funding
Debt Instrument [Line Items]
Debt Instrument, Description	On April 24, 2020 the Company entered into a finance agreement with Leaf Capital Funding of $175,000 for equipment. The parties agreed to a fixed interest rate of 5.5% and a term of 60 months.
Debt Instrument, Issuance Date	Apr. 24, 2020
Debt Instrument, Issuer	Leaf Capital Funding
Debt Instrument, Face Amount	$ 175,000
Debt Instrument, Interest Rate, Stated Percentage	5.50%
Debt Instrument, Term	60 months
Long-term, gross	$ 152,000	$ 0
Long-term Debt	$ 120,000

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Identification of the lender and information about a contractual promise to repay a short-term or long-term obligation, which includes borrowings under lines of credit, notes payable, commercial paper, bonds payable, debentures, and other contractual obligations for payment. This may include rationale for entering into the arrangement, significant terms of the arrangement, which may include amount, repayment terms, priority, collateral required, debt covenants, borrowing capacity, call features, participation rights, conversion provisions, sinking-fund requirements, voting rights, basis for conversion if convertible and remarketing provisions. The description may be provided for individual debt instruments, rational groupings of debt instruments, or by debt in total.

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Face (par) amount of debt instrument at time of issuance.

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Contractual interest rate for funds borrowed, under the debt agreement.

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Identification of the contractual issuer of the debt instrument (for example, a subsidiary of the reporting entity).

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Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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