Including the current and noncurrent portions, carrying amount of debt identified as being convertible into another form of financial instrument (typically the entity's common stock) as of the balance sheet date, which originally required full repayment more than twelve months after issuance or greater than the normal operating cycle of the company.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(16))
-URI https://asc.fasb.org/extlink&oid=126734703&loc=d3e572229-122910

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(22))
-URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(16))
-URI https://asc.fasb.org/extlink&oid=126897435&loc=d3e534808-122878

Note 4 - Debt Obligations (Details Textual) - USD ($)							1 Months Ended	4 Months Ended	12 Months Ended
Note 4 - Debt Obligations (Details Textual) - USD ($)	May 12, 2022	Feb. 07, 2022	Aug. 13, 2021	Apr. 20, 2021	Mar. 01, 2021	Mar. 08, 2018	Apr. 30, 2020	Jul. 31, 2020	Dec. 31, 2022	Dec. 31, 2021	Mar. 31, 2021
Interest Expense, Debt, Total									$ 53,000	$ 234,000
Repayments of Long-term Lines of Credit									26,000	37,000
Debt Conversion, Original Debt, Amount									0	$ 328,000
Convertible Note, Maturing August 12, 2021 [Member]
Repayments of Convertible Debt			$ 178,000
Stock Issued During Period, Shares, Conversion of Convertible Securities (in shares)			1,272,321
Convertible Debt, Total			$ 228,000
Convertible Note, Maturing August 9, 2021 [Member]
Repayments of Convertible Debt					$ 600,000
Line of Credit, Maturing September 1, 2019 [Member]
Repayments of Long-term Lines of Credit					50,000
Long-term Line of Credit, Total									0
Promissory Note, Maturing on April 20, 2021 [Member] \| Conversion of Debt into Shares of Common Stock [Member]
Debt Conversion, Original Debt, Amount				$ 100,000
Debt Conversion, Converted Instrument, Shares Issued (in shares)				400,000
Promissory Note, Maturing on April 20, 2021 [Member] \| Conversion of Debt Accrued Interest into Shares of Common Stock [Member]
Debt Conversion, Original Debt, Amount				$ 9,994
Debt Conversion, Converted Instrument, Shares Issued (in shares)				48,706
Note Payable, Maturing March 8, 2023 [Member]
Proceeds from Notes Payable, Total						$ 50,000
Debt Instrument, Face Amount					$ 50,000						$ 50,000
Debt Instrument, Convertible, Conversion Price (in dollars per share)					$ 0.16
Paycheck Protection Program CARES Act [Member] \| ONM [Member]
Extinguishment of Debt, Amount		$ 174,000
Proceeds from Issuance of Debt		$ 217,243
Paycheck Protection Program CARES Act [Member] \| BELST [Member]
Proceeds from Issuance of Debt	$ 97,000
Paycheck Protection Program CARES Act [Member] \| Clyra Medical [Member]
Proceeds from Issuance of Debt							$ 43,000
Economic Injury Disaster Loan [Member]
Convertible Debt, Total									$ 50,000
Economic Injury Disaster Loan [Member] \| ONM [Member]
Debt Instrument, Face Amount								$ 150,000
Debt Instrument, Interest Rate, Stated Percentage								3.75%
Debt Instrument, Periodic Payment, Total								$ 800