Debt Instrument, Covenant Terms, Minimum Cash Balance

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- Definition

The number of new shares issued in the conversion of stock in a noncash (or part noncash) transaction. Noncash is defined as transactions during a period that do not result in cash receipts or cash payments in the period. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.

+ References

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-Publisher FASB
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- Definition

The amount of debt issuance costs that were incurred during a noncash or partial noncash transaction.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition

Cash received on stock transaction after deduction of issuance costs.

+ References

No definition available.

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- Definition

The number of shares issued or sold by the subsidiary or equity method investee per stock transaction.

+ References

No definition available.

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- Definition

Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

+ References

No definition available.

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Subsequent Events (Details) - USD ($)		2 Months Ended
Subsequent Events (Details) - USD ($)	Jun. 26, 2019	Mar. 10, 2021	Dec. 31, 2020
Private Placement
Subsequent Event [Line Items]
Sale of common stock (in shares)	2,728,513
Aggregate gross proceeds from sale	$ 20,000,000.0
Convertible senior notes \| Initial Notes \| Starboard Value LP
Subsequent Event [Line Items]
Debt instrument, covenant, minimum cash balance			$ 40,000,000.0
Subsequent event \| Minimum \| Forecast
Subsequent Event [Line Items]
Non-cash charge		$ 15,000,000
Subsequent event \| Maximum \| Forecast
Subsequent Event [Line Items]
Non-cash charge		$ 25,000,000
Subsequent event \| Charter \| Private Placement \| Series B Convertible Preferred Stock \| Forecast
Subsequent Event [Line Items]
Sale of common stock (in shares)		27,509,203
Aggregate gross proceeds from sale		$ 68,000,000.0
Subsequent event \| Qurate \| Private Placement \| Series B Convertible Preferred Stock \| Forecast
Subsequent Event [Line Items]
Sale of common stock (in shares)		27,509,203
Aggregate gross proceeds from sale		$ 68,000,000.0
Subsequent event \| Pine \| Private Placement \| Series B Convertible Preferred Stock \| Forecast
Subsequent Event [Line Items]
Sale of common stock (in shares)		27,509,203
Aggregate gross proceeds from sale		$ 68,000,000.0
Subsequent event \| Starboard Value LP \| Forecast
Subsequent Event [Line Items]
Issuance of conversion shares (in shares)		3,150,000