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Leases (Schedule Of Assets Acquired Under Finance Leases) (Details) - USD ($) $ in Thousands | Dec. 31, 2019 | Dec. 31, 2018
--- | --- | ---
Finance leases, Property and equipment, at cost | $ 7,161 | $ 7,674
Finance leases, Accumulated amortization | (1,279) | 882
Finance leases, property and equipment, net | $ 5,882 | 6,792
Equipment [Member] |  |
Finance leases, Property and equipment, at cost |  | 1,066
Finance leases, Accumulated amortization |  | 375
Finance leases, property and equipment, net |  | 691
Leasehold Improvements [Member] |  |
Finance leases, Property and equipment, at cost |  | 6,608
Finance leases, Accumulated amortization |  | 507
Finance leases, property and equipment, net |  | $ 6,101

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- Definition Finance lease, right-of-use asset, accumulated amortization. + References No definition available. + Details
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Namespace Prefix: | cry_
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- Definition Finance lease, right-of-use asset, at cost. + References No definition available. + Details
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Namespace Prefix: | cry_
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- Definition Amount of lessee's right to use underlying asset under finance lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 45 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=77888419&loc=SL77918627-209977 + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Details
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- Details
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