Quarterly report pursuant to Section 13 or 15(d)

CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY

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CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($)
shares in Thousands, $ in Thousands
Common Stock
Additional Paid-in- Capital
Treasury Stock
Accumulated Other Comprehensive (Loss) Income
Accumulated Deficit
Total
Beginning balance at Jan. 01, 2022 $ 56 $ 282,663 $ (7,625) $ 274 $ (179,800) $ 95,568
Beginning balance (in shares) at Jan. 01, 2022 52,960          
Increase (Decrease) in Stockholders' Equity            
Net income (loss)         2,103 2,103
Issuance of common stock, net of underwriters' offering expenses and commissions   792       792
Issuance of shares in connection with stock option exercise (in shares) 533          
Issuance of shares in connection with restricted stock units vesting $ 1 (1)        
Issuance of shares in connection with restricted stock units vesting (in shares) 519          
Issuance of stock awards   81       81
Issuance of stock awards (in shares) 10          
Issuance of shares in connection with BOD Fees   6       6
Issuance of shares in connection with ESPP   431       431
Issuance of shares in connection with ESPP (in shares) 45          
Officers and directors stock purchase plan   23       23
Officers and directors stock purchase plan (in shares) 3          
Share-based compensation   4,225       4,225
Unrealized gain (loss) on deferred compensation trust assets       (34) (34)
Effect of changes in foreign currencies       20   20
Ending balance at Apr. 02, 2022 $ 57 288,220 (7,625) 260 (177,697) 103,215
Ending balance (in shares) at Apr. 02, 2022 54,070          
Beginning balance at Dec. 31, 2022 $ 57 297,265 (7,625) 1,126 (180,751) 110,072
Beginning balance (in shares) at Dec. 31, 2022 54,693          
Increase (Decrease) in Stockholders' Equity            
Net income (loss)         1,051 1,051
Issuance of shares in connection with stock option exercise $ 1 1,523       $ 1,524
Issuance of shares in connection with stock option exercise (in shares) 972         972
Issuance of shares in connection with restricted stock units vesting $ 1         $ 1
Issuance of shares in connection with restricted stock units vesting (in shares) 495          
Issuance of shares in connection with BOD Fees $ 1 6       6
Issuance of shares in connection with ESPP   221       221
Issuance of shares in connection with ESPP (in shares) 42          
Share-based compensation   4,170       4,170
Unrealized gain (loss) on deferred compensation trust assets       24   24
Ending balance at Apr. 01, 2023 $ 59 $ 303,185 $ (7,625) $ 1,150 $ (179,700) $ 117,069
Ending balance (in shares) at Apr. 01, 2023 56,203