Stock-Based Compensation (Tables)

6 Months Ended

Mar. 27, 2018

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Weighted Average Assumptions Used to Estimate Fair Value of Stock Option Grants

In addition to the exercise and grant date prices of the stock option awards, certain weighted average assumptions that were used to estimate the fair value of stock option grants are listed in the following table:

	Fiscal 2018Incentive andNon-Statutory Stock Options	Fiscal 2017 Incentive andNon-Statutory Stock Options
Expected term (years)	7.5	6.5 to 7.5
Expected volatility	75.33% to 75.67%	75.66% to 80.70%
Risk-free interest rate	2.17% to 2.35%	1.49% to 2.40%
Expected dividends	0	0

Summary of Stock Option Activity under Share Based Compensation Plan

The following table summarizes stock option activity for the two quarters ended March 27, 2018 under all plans:

	Shares			WeightedAverageExercise Price		Weighted Avg.RemainingContractual Life (Yrs.)
Outstanding-at beginning of year		681,922		$	4.25
Options granted		18,274		$	2.71
Options exercised		0
Forfeited		(22,338	)	$	5.49
Expired		(2,933	)	$	17.25
Outstanding March 27, 2018		674,925		$	4.12	6.3
Exercisable March 27, 2018		513,054		$	4.28	5.6

Schedule of Non-vested Restricted Stock Activity

A summary of the status of non-vested restricted stock as of March 27, 2018 is presented below.

	Shares			Grant Date FairValue Per Share
Non-vested shares at beg of year		115,039		$3.15 to $8.60
Granted		37,037		$2.70
Forfeited		(4,175	)	$3.15 to $4.18
Vested		(41,037	)	$3.15 to $4.18
Non-vested shares at March 27, 2018		106,864		$2.70 to $8.60