XML 49 R38.htm IDEA: XBRL DOCUMENT v3.21.1

Subsequent Events (Narrative) (Details) - USD ($)				3 Months Ended	12 Months Ended
	May 04, 2021	May 01, 2021	Mar. 10, 2021	Mar. 31, 2021	Dec. 31, 2020
Subsequent Events [Member] | Assignation of Lease Relating to Facility in Dundee, Scotland [Member]
Subsequent Event [Line Items]
Payment of reverse premium	$ 400,000
Obligations, liabilities or commitments	$ 0
6% Convertible Exchangeable Preferred Stock [Member]
Subsequent Event [Line Items]
Dividend declared, date			Mar. 10, 2021
Preferred stock dividend declared, amount per share			$ 0.15
Dividend rate (in percent)				6.00%	6.00%
6% Convertible Exchangeable Preferred Stock [Member] | Subsequent Events [Member]
Subsequent Event [Line Items]
Dividends payable, date to be paid		May 01, 2021
Dividend, record date		Apr. 16, 2021
Preferred stock, dividends per share, cash paid		$ 0.15

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- Definition

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+ References

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- Definition

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+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 50
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=121583591&loc=d3e4304-108586

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- Definition

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+ References

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-Topic 230
-SubTopic 10
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-Paragraph 3
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- Definition

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- Definition

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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.

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