Condensed Consolidated Balance Sheets (Unaudited)-parentheticals (Parentheticals) - USD ($)	Jun. 30, 2022	Dec. 31, 2021
Accounts Receivable, Allowance for Credit Loss, Current	$ 64,000	$ 64,000
Common Stock, Par or Stated Value Per Share (in dollars per share)	$ 0.01	$ 0.01
Common Stock, Shares Authorized (in shares)	50,000,000	50,000,000
Common Stock, Shares, Outstanding, Ending Balance (in shares)	12,728,173	13,115,341