Amount, excluding unamortized premium (discount) and debt issuance cost, of long-term debt. Excludes lease obligation.

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

Note 4 - Debt Obligations (Details Textual) - USD ($)		1 Months Ended	3 Months Ended		6 Months Ended
Note 4 - Debt Obligations (Details Textual) - USD ($)	Feb. 07, 2022	Apr. 30, 2020	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Interest Expense, Debt, Total			$ 15,000	$ 89,000	$ 28,000	$ 182,000
Paycheck Protection Program CARES Act [Member] \| ONM [Member]
Proceeds from Issuance of Debt		$ 218,000
Extinguishment of Debt, Amount	$ 174,000
Long-Term Debt, Total	$ 44,000
Paycheck Protection Program CARES Act [Member] \| BLEST [Member]
Proceeds from Issuance of Debt		96,000
Paycheck Protection Program CARES Act [Member] \| Clyra Medical [Member]
Proceeds from Issuance of Debt		$ 43,000