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Note 7 - Property and Equipment (Details Textual) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Depreciation, Depletion and Amortization, Total	$ 120	$ 59
Impairment of Long-Lived Assets to be Disposed of	68	12
Impairment, Long-Lived Asset, Held-for-Use, Total	66	$ 0
General and Administrative Expense [Member] | Dermatology [Member]
Impairment, Long-Lived Asset, Held-for-Use, Total	$ 66

X

- Definition

The aggregate expense recognized in the current period that allocates the cost of tangible assets, intangible assets, or depleting assets to periods that benefit from use of the assets.

+ References

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- Definition

The aggregate amount of write-downs for impairments recognized during the period for long lived assets held for use (including those held for disposal by means other than sale).

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