Subsequent events	12 Months Ended
Dec. 31, 2022
Subsequent events
Subsequent events	15. Subsequent events On January 31, 2023 the Company entered into a sales agreement (the “Sales Agreement”) with ThinkEquity LLC (“ThinkEquity” or the “Sales Agent”), relating to the sale of shares of our common stock, $0.60 par value per share. In accordance with the terms of the Sales Agreement, we may offer and sell up to 4,225,352 shares of our common stock from time to time up to an aggregate offering price of $15,000,000 through or to the Sales Agent, acting as sales agent or principal. The Company intends to use the net proceeds from the offering primarily for general corporate purposes, which may include working capital, capital expenditures, operational purposes, strategic investments and potential acquisitions in complementary businesses.

The entire disclosure for significant events or transactions that occurred after the balance sheet date through the date the financial statements were issued or the date the financial statements were available to be issued. Examples include: the sale of a capital stock issue, purchase of a business, settlement of litigation, catastrophic loss, significant foreign exchange rate changes, loans to insiders or affiliates, and transactions not in the ordinary course of business.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 855
-URI https://asc.fasb.org/topic&trid=2122774

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 855
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI https://asc.fasb.org/extlink&oid=6842918&loc=SL6314017-165662

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