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Condensed Consolidated Balance Sheets (Parentheticals) - USD ($)
shares in Thousands, $ in Thousands
Sep. 30, 2023
Dec. 31, 2022
ASSETS    
Allowance for doubtful accounts $ 529 $ 338
Allowance for obsolescence 40 120
Accumulated depreciation, rental equipment 193,795 177,729
Accumulated depreciation, property and equipment 17,737 16,981
Accumulated amortization, operating lease right of use assets 864 721
Accumulated amortization, intangibles $ 2,353 $ 2,259
Stockholders’ Equity:    
Preferred stock, shares authorized (in shares) 5,000 5,000
Preferred stock, shares issued (in shares) 0 0
Preferred stock, shares outstanding (in shares) 0 0
Common stock, shares authorized (in shares) 30,000 30,000
Common stock, par value (in dollars per share) $ 0.01 $ 0.01
Common stock, shares issued (in shares) 13,688 13,519
Treasury shares (in shares) 1,310 1,310