LEASES - Operating and Financing leases (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Balance sheet presentation of our operating and financing leases
Operating lease right-of-use assets, net	$ 556	$ 612
Finance lease right-of-use assets, net	156	174
Total lease assets	712	786
Current maturities of operating lease liabilities	215	218
Current maturities of finance lease liabilities	62	132
Operating lease liabilities, less current maturities	353	407
Finance lease liabilities, less current maturities	71	18
Present value of net minimum lease obligations	701	775
HemeScreen Reagent Rental [Member]
Balance sheet presentation of our operating and financing leases
Finance lease right-of-use assets, net	$ 0	$ 0

Present value of lessee's discounted obligation for lease payments from operating and finance lease.

No definition available.

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- Definition

Amount of lessee's right to use underlying asset under operating and finance lease.

+ References

No definition available.

+ Details

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- References

No definition available.

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- Definition

Present value of lessee's discounted obligation for lease payments from finance lease, classified as current.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479041/842-20-45-1

+ Details

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Balance Type:	credit
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- Definition

Present value of lessee's discounted obligation for lease payments from finance lease, classified as noncurrent.

+ References

+ Details

Name:	us-gaap_FinanceLeaseLiabilityNoncurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount, after accumulated amortization, of right-of-use asset from finance lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479041/842-20-45-1

+ Details

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Balance Type:	debit
Period Type:	instant

- Definition

Present value of lessee's discounted obligation for lease payments from operating lease, classified as current.

+ References

+ Details

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- Definition

Present value of lessee's discounted obligation for lease payments from operating lease, classified as noncurrent.

+ References

+ Details

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- Definition

Amount of lessee's right to use underlying asset under operating lease.

+ References

+ Details

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- Details

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