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CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY - USD ($)
Total
Discontinued Operations, Held-for-sale
Instaff
Cumulative Effect, Period of Adoption, Adjustment
Preferred Stock
Common Stock
Treasury Stock Amount
Additional Paid in Capital
Retained Earnings
Retained Earnings
Cumulative Effect, Period of Adoption, Adjustment
Accumulated Other Comprehensive (Loss)/Income
Accounting Standards Update [Extensible List] Accounting Standards Update 2016-02 [Member]                  
Stockholders’ equity, beginning of period at Dec. 30, 2018 $ 65,702,013     $ 0 $ 102,273 $ (24,027) $ 57,624,379 $ 7,999,388   $ 0
Stockholders’ equity (in shares), beginning of period at Dec. 30, 2018         10,227,247          
Increase (Decrease) in Stockholders' Equity [Roll Forward]                    
Share-based compensation from continuing operations 849,665 $ 103,073         849,665      
Cancellation of restricted shares (shares)         2,250          
Cancellation of restricted shares 0       $ 23   (23)      
Issuance of shares, net of offering costs (in shares)         47,403          
Issuance of shares, net of offering costs 1,000,000       $ 474   999,526      
Exercise of common stock options and warrants (shares)         36,836 (3,291)        
Exercise of common stock options and warrants, net of 176 shares of treasury stock 38,199       $ 369   41,121      
Cash dividends declared (12,282,342)             (12,282,342)    
Net income 13,246,990             13,246,990    
Other comprehensive loss 0                  
Stockholders’ equity, end of period at Dec. 29, 2019 68,456,990   $ (200,608) 0 $ 103,093 $ (27,318) 59,617,787 8,763,428 $ (200,608) 0
Stockholders’ equity (in shares), end of period at Dec. 29, 2019         10,309,236          
Increase (Decrease) in Stockholders' Equity [Roll Forward]                    
Share-based compensation from continuing operations 785,723 63,725         785,723      
Issuance of shares, net of offering costs (10,000)           (10,000)      
Issuance of restricted shares, net of shares of treasury stock (shares)         19,143          
Issuance of restricted shares, net of shares of treasury stock (2,132)       $ 191 (2,132) (191)      
Cash dividends declared               (5,155,148)    
Net income 1,441,468             1,441,468    
Other comprehensive loss (122,874)                  
Stockholders’ equity, end of period at Dec. 27, 2020 65,457,752     0 $ 103,284 (29,450) 60,457,044 5,049,748   (122,874)
Stockholders’ equity (in shares), end of period at Dec. 27, 2020         10,328,379          
Increase (Decrease) in Stockholders' Equity [Roll Forward]                    
Share-based compensation from continuing operations 1,058,096 $ 53,550         1,058,096      
Issuance of shares, net of offering costs (40,058)           (40,058)      
Issuance of restricted shares, net of shares of treasury stock (shares)         64,092          
Issuance of restricted shares, net of shares of treasury stock $ (8,442)       $ 640 $ (8,442) (640)      
Issuance of ESSP shares 31,776                  
ESPP shares $ 340,451       $ 318   340,133      
Exercise of common stock options and warrants (shares)         963 0        
Exercise of common stock options and warrants, net of 176 shares of treasury stock 7,291       $ 10   7,281      
Cash dividends declared (4,567,139)             (4,567,139)    
Net income 14,109,478             14,109,478    
Other comprehensive loss 181,205                  
Stockholders’ equity, end of period at Dec. 26, 2021 $ 76,592,184     $ 0 $ 104,252 $ (37,892) $ 61,875,406 $ 14,592,087   $ 58,331
Stockholders’ equity (in shares), end of period at Dec. 26, 2021         10,425,210