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Note 7 - Assets Held for Rent (Tables) | 12 Months Ended
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Dec. 31, 2022
Notes Tables |
Scheduleof Assets Held for Rent [Table Text Block] |
(In thousands) |  | 2022 |  |  | 2021 |
Shippers placed in service |  | $ | 7,671 |  |  | $ | 5,645 |
Fixed assets held for rent |  |  | 4,686 |  |  |  | 4,040 |
Accumulated depreciation |  |  | (4,952 | ) |  |  | (2,272 | )
Net |  |  | 7,405 |  |  |  | 7,413 |
Shippers and related components in production |  |  | 1,659 |  |  |  | 2,396 |
Total |  | $ | 9,064 |  |  | $ | 9,809 |

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- Definition Tabular disclosure of assets held for rent. + References No definition available. + Details
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Namespace Prefix: | blfs_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

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- References No definition available. + Details
Name: | us-gaap_TableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration