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CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY - USD ($)
Total
Discontinued operations
Instaff
Preferred Stock
Common Stock
Treasury Stock Amount
Additional Paid in Capital
Additional Paid in Capital
Discontinued operations
Instaff
Retained Earnings
Accumulated Other Comprehensive (Loss)/Income
Stockholders’ equity, beginning of period at Dec. 27, 2020 $ 65,458,000     $ 103,000 $ (29,000) $ 60,457,000   $ 5,050,000 $ (123,000)
Stockholders’ equity (in shares), beginning of period at Dec. 27, 2020       10,328,000          
Increase (Decrease) in Stockholders' Equity [Roll Forward]                  
Share-based compensation 1,058,000 $ 54,000       1,058,000 $ 54,000    
Exercise of common stock shares (40,000)         (40,000)      
Issuance of restricted shares (shares)       (64,000)          
Issuance of restricted shares $ (9,000)     $ 1,000 (9,000) (1,000)      
Issuance of ESPP shares (in shares)       32,000          
Exercise of common stock shares (in shares) 600     1,000          
Exercise of common stock options $ 8,000         8,000      
Net (loss) income 14,109,000             14,109,000  
Other comprehensive gain (loss) 181,000               181,000
Stockholders’ equity, end of period at Dec. 26, 2021 76,592,000   $ 0 $ 104,000 (38,000) 61,876,000   14,592,000 58,000
Stockholders’ equity (in shares), end of period at Dec. 26, 2021       10,425,000          
Increase (Decrease) in Stockholders' Equity [Roll Forward]                  
Payments of dividends (4,567,000)             (4,567,000)  
Issuance of ESPP shares 340,000         340,000      
Share-based compensation 1,085,000 $ 7,000       1,085,000 $ 7,000    
Transaction fees related sale of discontinued operations           35,000      
Issuance of shares, net of offering costs       $ 3,000          
Exercise of common stock shares 3,341,000         3,338,000      
Issuance of restricted shares $ 0         (1,000)      
Issuance of restricted shares, net of shares of treasury stock (shares)       32,344          
Issuance of restricted shares, net of shares of treasury stock       $ 1,000          
Issuance of ESPP shares (in shares) 59,506                
Exercise of common stock options           10,000      
Exercise of common stock options and warrants (shares)       1,000          
Net (loss) income $ 25,361,000             25,361,000  
Other comprehensive gain (loss) (58,000)               (58,000)
Stockholders’ equity, end of period at Jan. 01, 2023 100,736,000   0 $ 108,000 (38,000) 67,003,000   33,663,000 0
Stockholders’ equity (in shares), end of period at Jan. 01, 2023       10,772,000          
Increase (Decrease) in Stockholders' Equity [Roll Forward]                  
Payments of dividends (6,290,000)             (6,290,000)  
Issuance of ESPP shares 653,000         653,000      
Share-based compensation 1,029,000                
Issuance of restricted shares, net of shares of treasury stock (shares)       56,889          
Issuance of restricted shares, net of shares of treasury stock $ (41,000)     $ 1,000 (19,000) (23,000)      
Issuance of ESPP shares (in shares) 54,305                
Exercise of common stock options and warrants (shares)       5,000          
Exercise of common stock options $ 30,000         30,000      
Net (loss) income (10,223,000)             (10,223,000)  
Stockholders’ equity, end of period at Dec. 31, 2023 85,536,000   $ 0 $ 109,000 $ (57,000) 68,551,000   16,933,000 $ 0
Stockholders’ equity (in shares), end of period at Dec. 31, 2023       10,888,000          
Increase (Decrease) in Stockholders' Equity [Roll Forward]                  
Payments of dividends (6,507,000)             $ (6,507,000)  
Issuance of ESPP shares $ 512,000         $ 512,000