LEASES - Operating and Financing leases (Details) - USD ($)	Dec. 31, 2024	Dec. 31, 2023
Balance sheet presentation of our operating and financing leases
Operating lease right-of-use assets, net	$ 395,000	$ 612,000
Finance lease right-of-use assets, net	517,000	174,000
Total lease assets	912,000	786,000
Current maturities of operating lease liabilities	201,000	218,000
Current maturities of finance lease liabilities	124,000	132,000
Operating lease liabilities, less current maturities	206,000	407,000
Finance lease liabilities, less current maturities	348,000	18,000
Present value of net minimum lease obligations	879,000	775,000
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.

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- Definition

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

+ References

No definition available.

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- References

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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

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- Definition

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

+ References

+ Details

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- 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

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- Definition

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

+ References

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

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- Definition

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

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