Commitments and contingencies.

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- Definition

Line of Credit Facility, Accounts Receivable Borrowing Base Percentage

+ References

No definition available.

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- Definition

Area of a real estate property.

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No definition available.

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- Definition

The carrying amount of a liability for an asset retirement obligation. An asset retirement obligation is a legal obligation associated with the disposal or retirement of a tangible long-lived asset that results from the acquisition, construction or development, or the normal operations of a long-lived asset, except for certain obligations of lessees.

+ References

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- Definition

Amount of accretion expense recognized during the period that is associated with an asset retirement obligation. Accretion expense measures and incorporates changes due to the passage of time into the carrying amount of the liability.

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- Definition

Amount of increase in lease obligation from new lease.

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- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

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No definition available.

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- Definition

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

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- Definition

Term of lessee's finance lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition

Term of lessee's operating lease renewal, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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- Definition

Amount of current borrowing capacity under the credit facility considering any current restrictions on the amount that could be borrowed (for example, borrowings may be limited by the amount of current assets), but without considering any amounts currently outstanding under the facility.

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- Definition

Amount of loss contingency liability expected to be resolved within one year or the normal operating cycle, if longer.

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- Definition

Number of separate real estate development properties located on land subject to ground leases.

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No definition available.

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The noncurrent cash, cash equivalents and investments that is restricted as to withdrawal or usage. Restrictions may include legally restricted deposits held as compensating balances against borrowing arrangements, contracts entered into with others, or entity statements of intention with regard to particular deposits classified as long-term; that is not expected to be released from such existing restrictions within one year of the balance sheet date or operating cycle, whichever is longer. Excludes compensating balance arrangements that are not agreements which legally restrict the use of cash amounts shown on the balance sheet. Includes noncurrent cash equivalents and investments that are similarly restricted as to withdrawal, usage or disposal.

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Commitments and Contingencies - Textual (Details)		1 Months Ended		6 Months Ended	12 Months Ended
Commitments and Contingencies - Textual (Details)	Jun. 30, 2017 USD ($)	Apr. 30, 2017 USD ($)	Feb. 28, 2017 USD ($)	Jun. 30, 2020 USD ($) ft² security	Dec. 31, 2019 USD ($)	Apr. 30, 2020 ft²	Jan. 31, 2020 ft²
Commitments and Contingencies [Line Items]
Area of real estate property (square feet) \| ft²				77,300
Number of buildings leased \| security				4
Renewal term				5 years
Asset retirement obligations				$ 200,000	$ 200,000
Accretion expense related to asset retirement obligation				0	0
Capital lease obligations incurred		$ 300,000	$ 400,000
Term of contract		3 years	3 years
Indemnification Agreement [Member]
Commitments and Contingencies [Line Items]
Loss contingency accrual				0
Term Loan [Member]
Commitments and Contingencies [Line Items]
Borrowing capacity	$ 10,000,000.0
Term Loan [Member] \| LIBOR [Member]
Commitments and Contingencies [Line Items]
Basis spread on variable rate (percent)	3.60%
Revolving Credit Facility [Member]
Commitments and Contingencies [Line Items]
Borrowing capacity	$ 5,000,000.0
Accounts receivable borrowing base percentage	80.00%
Stated interest rate	5.00%
Revolving Credit Facility [Member] \| Prime Rate [Member]
Commitments and Contingencies [Line Items]
Basis spread on variable rate (percent)	1.00%
Demand Deposits [Member]
Commitments and Contingencies [Line Items]
Non-current restricted cash				$ 1,100,000	$ 1,100,000
200-220 Penobscot [Member]
Commitments and Contingencies [Line Items]
Area of real estate property (square feet) \| ft²				28,200
400 Penoscot [Member]
Commitments and Contingencies [Line Items]
Area of real estate property (square feet) \| ft²				37,900
501 Chesapeake [Member]
Commitments and Contingencies [Line Items]
Area of real estate property (square feet) \| ft²				11,200
101 Saginaw [Member]
Commitments and Contingencies [Line Items]
Area of real estate property (square feet) \| ft²							29,900
Sublease [Member]
Commitments and Contingencies [Line Items]
Area of real estate property (square feet) \| ft²						3,400	26,500