Stockholders' Equity (Narrative) (Details) - USD ($)		1 Months Ended	12 Months Ended
	Feb. 06, 2019	Feb. 28, 2019	Sep. 24, 2019	Sep. 25, 2018
Schedule Of Stockholders Equity [Line Items]
Preferred stock, shares authorized			5,000,000	5,000,000
Common stock, shares authorized			50,000,000	50,000,000
Common stock, shares outstanding			12,541,082	12,481,162
Common stock, par value			$ 0.001	$ 0.001
Stock based compensation expense			$ 719,000	$ 417,000
Stock option exercise			$ 3,000	$ 29,000
Stock option exercise, shares			667	9,397
Aggregate intrinsic value of outstanding options			$ 8,000
Purchase of non-controlling interest			2,959,000
Capital Contributed in Excess of Par Value [Member]
Schedule Of Stockholders Equity [Line Items]
Stock option exercise			3,000	$ 29,000
Purchase of non-controlling interest			2,171,000
Non-Controlling Interest In Partnerships [Member]
Schedule Of Stockholders Equity [Line Items]
Purchase of non-controlling interest			788,000
RGWP Repurchase [Member]
Schedule Of Stockholders Equity [Line Items]
Purchase price	$ 3,000,000
RGWP Repurchase [Member] | Capital Contributed in Excess of Par Value [Member]
Schedule Of Stockholders Equity [Line Items]
Purchase of non-controlling interest			2,171,000
RGWP Repurchase [Member] | Non-Controlling Interest In Partnerships [Member]
Schedule Of Stockholders Equity [Line Items]
Purchase of non-controlling interest			788,000
Noncompete Agreements [Member]
Schedule Of Stockholders Equity [Line Items]
Purchase of non-controlling interest		$ 50,000
Mr. Hoback [Member]
Schedule Of Stockholders Equity [Line Items]
Severance and separation agreement			$ 731,000
Incentive Stock Option [Member]
Schedule Of Stockholders Equity [Line Items]
Stock options granted, shares			99,832	18,274
Incentive Stock Option [Member] | Minimum [Member]
Schedule Of Stockholders Equity [Line Items]
Stock options granted, exercise price			$ 4.66	$ 2.70
Stock options granted, per-share weighted average fair value			2.68	1.65
Incentive Stock Option [Member] | Maximum [Member]
Schedule Of Stockholders Equity [Line Items]
Stock options granted, exercise price			5.00	2.73
Stock options granted, per-share weighted average fair value			$ 3.19	$ 1.95
Incentive and Non-Statutory Stock Options [Member]
Schedule Of Stockholders Equity [Line Items]
Stock options granted, shares				129,381
Expected term (years)			7 years 6 months	7 years 6 months	[1]
Incentive and Non-Statutory Stock Options [Member] | Minimum [Member]
Schedule Of Stockholders Equity [Line Items]
Stock options granted, exercise price				$ 3.55
Stock options granted, per-share weighted average fair value				2.08
Incentive and Non-Statutory Stock Options [Member] | Maximum [Member]
Schedule Of Stockholders Equity [Line Items]
Stock options granted, exercise price				4.25
Stock options granted, per-share weighted average fair value				$ 2.52
Restricted Stock [Member]
Schedule Of Stockholders Equity [Line Items]
Restricted stock granted, shares			79,988	37,037
Restricted stock granted, weighted average grant date fair value per share			$ 3.95	$ 2.70
Vesting period			3 years	3 years
Remaining total unrecognized compensation cost related to unvested stock-based arrangements			$ 287,000
Employee service share-based compensation, nonvested awards, total compensation cost not yet recognized, period for recognition			1 year 3 months 29 days
Stock Options [Member]
Schedule Of Stockholders Equity [Line Items]
Stock options granted, shares			99,832
Stock options granted, exercise price			$ 4.76
Remaining total unrecognized compensation cost related to unvested stock-based arrangements			$ 350,000
Employee service share-based compensation, nonvested awards, total compensation cost not yet recognized, period for recognition			2 years 2 months 8 days
Stock option exercise, shares			667
Replacement Options [Member]
Schedule Of Stockholders Equity [Line Items]
Stock options granted, shares				49,491
Stock options granted, exercise price				$ 4.25
Vesting period				10 years
Percentage of vested options				100.00%
Stock compensation cost [member] | Mr. Hoback [Member]
Schedule Of Stockholders Equity [Line Items]
Severance and separation agreement			$ 277,000
Two Thousand Eight Equity Incentive Compensation Plan [Member]
Schedule Of Stockholders Equity [Line Items]
Shares authorized to issue under plan			1,500,000
2018 Plan [Member]
Schedule Of Stockholders Equity [Line Items]
Shares authorized to issue under plan			750,000
Shares available for future grants			239,797
2018 Plan [Member] | Restricted Stock [Member]
Schedule Of Stockholders Equity [Line Items]
Restricted stock granted, shares				60,507
Restricted stock granted, weighted average grant date fair value per share				$ 3.55
Vesting period				3 years
Exchange Program [Member]
Schedule Of Stockholders Equity [Line Items]
Stock options granted, shares				129,025
Stock options granted, per-share weighted average fair value				$ 2.08
Percentage of vested options				100.00%
Expected volatility				53.71%
Risk-free interest rate				2.83%
Expected term (years)				5 years
Exchange Program [Member] | Minimum [Member]
Schedule Of Stockholders Equity [Line Items]
Stock options granted, exercise price				$ 7.79
Exchange Program [Member] | Maximum [Member]
Schedule Of Stockholders Equity [Line Items]
Stock options granted, exercise price				$ 9.17

[1] Excluding options issued in the exchange program