Total non-cash stock compensation expense is $1.8 million, $1.3 million and $0.9 million, in 2023, 2022 and 2021, respectively.

At September 24, 2023, we have reserved 196,359 shares of Common Stock for issuance to employees under an incentive and non-statutory stock option and restricted stock plan approved by stockholders, of which 196,359 shares are available for granting of non-qualified stock options or issuance of restricted Common Stock.

Options are granted at a price equal to the fair market value on the date of the grant and are exercisable, upon vesting, over a ten-year period.


(Thousands of Shares)	2023	2022	2021

Outstanding, beginning of year	—	36	41
Exercised	—	(9)	(2)
Canceled	—	(27)	(3)
Outstanding, end of year	—	—	36
Exercisable, end of year	—	—	36


(Dollars)	2023	2022	2021

Exercised	—	11.30	11.30
Cancelled	—	11.30	11.30
Outstanding, end of year	—	11.40	11.40


(Thousands of Shares)	2023	2022	2021

Outstanding, beginning of year	165	154	155
Granted	69	78	46
Vested	(62)	(66)	(45)
Forfeited	(10)	(1)	(2)
Outstanding, end of year	162	165	154

Weighted average grant date fair values of restricted Common Stock are as follows:


(Dollars)	2023	2022	2021

Outstanding, beginning of year	21.21	16.70	21.50
Granted	17.87	30.01	11.20
Vested	17.27	20.93	27.30
Forfeited	24.04	23.60	16.10
Outstanding, end of year	21.14	21.21	16.70

Total unrecognized compensation expense for unvested restricted Common Stock at September 24, 2023 is $1.7 million, which will be recognized over a weighted average period of 1.4 years.

We have 27,000 shares of Common Stock available for issuance pursuant to our Employee Stock Purchase Plan. We also have 870 shares of Common Stock available for issuance under our Supplemental Employee Stock Purchase Plan. There has been no activity under these plans in 2023, 2022, or 2021.