Subsequent Events	12 Months Ended
Dec. 31, 2021
Subsequent Events [Abstract]
SUBSEQUENT EVENTS	13. SUBSEQUENT EVENTS On February 7, 2022, we entered into a real estate sale contract to sell our parcel of land in Batavia, Illinois for $722,000 and expect our net proceeds, if the sale is consummated, after the payment of fees, real estate taxes, brokerage and legal fees, transfer and withholding taxes and other expenses to be approximately $600,000. The closing of the sale of the Property is subject to certain conditions precedent. There is currently no anticipated closing date. During February and March 2022, the Company settled liabilities that were accrued in prior years resulting in a gain of approximately $200,000.

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 http://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 http://asc.fasb.org/extlink&oid=6842918&loc=SL6314017-165662

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