Annual report pursuant to Section 13 and 15(d)

Nature of Operations and Summary of Significant Accounting Policies - Earnings (Loss) Per Common Share (Details)

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Nature of Operations and Summary of Significant Accounting Policies - Earnings (Loss) Per Common Share (Details) - USD ($)
 3 Months Ended 6 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2022
Jun. 30, 2022
Mar. 31, 2022
Sep. 30, 2021
Jun. 30, 2021
Mar. 31, 2021
Jun. 30, 2022
Jun. 30, 2021
Sep. 30, 2022
Sep. 30, 2021
Dec. 31, 2022
Dec. 31, 2021
Product Information [Line Items]                        
Net income (as restated)                     $ 626,705 $ 7,565,047
Weighted average common shares outstanding - basic (in shares)                     14,488,314 14,319,448
Effect of dilutive securities:                        
Unvested restricted stock and stock options (in shares)                     379,779 616,129
Weighted average common shares outstanding - diluted (in shares)                     14,868,093 14,935,577
Basic earnings per share (in dollars per share) $ 0.05 $ (0.06) $ 0 $ 0.16 $ 0.22 $ 0.12 $ (0.06) $ 0.34 $ (0.01) $ 0.49 $ 0.04 $ 0.53
Diluted earnings per share (in dollars per share) $ 0.05 $ (0.06) $ 0 $ 0.15 $ 0.21 $ 0.12 $ (0.06) $ 0.32 $ (0.01) $ 0.47 $ 0.04 $ 0.51
Unvested restricted stock                        
Effect of dilutive securities:                        
Potentially dilutive securities excluded from calculation of diluted net income per common share (in shares)                     0 58
Stock options                        
Effect of dilutive securities:                        
Potentially dilutive securities excluded from calculation of diluted net income per common share (in shares)                     40,349 4,658