Condensed Consolidated Balance Sheets (Parentheticals) - USD ($) shares in Thousands, $ in Thousands	Jun. 30, 2021	Dec. 31, 2020
Statement of Financial Position [Abstract]
Allowance for doubtful accounts (in Dollars)	$ 275	$ 275
Preferred stock, par value (in Dollars per share)	$ 1.000	$ 1.000
Preferred stock, shares authorized	5,000	5,000
Preferred stock, shares outstanding	0	0
Common stock, par value (in Dollars per share)	$ 1.000	$ 1.000
Common stock, shares authorized	25,000	25,000
Common stock, shares issued	12,082	11,558
Common stock, shares outstanding	12,082	11,558