STOCK-BASED COMPENSATION - Summary of Stock Option Activity (Details) - USD ($) $ / shares in Units, $ in Thousands	9 Months Ended
	Jun. 30, 2017	Jul. 01, 2016
Number of Options
Outstanding, beginning of period (in shares)	759,795	717,645
Granted (in shares)	57,500	10,000
Exercised (in shares)	0	0
Forfeited (in shares)	(33,000)	(17,250)
Expired (in shares)	(29,750)	0
Outstanding, end of period (in shares)	754,545	710,395
Wgtd. Avg. Exercise Price
Outstanding, beginning of period (in dollars per share)	$ 4.43	$ 4.40
Granted (in dollars per share)	3.64	4.64
Exercised (in dollars per share)	0.00	0.00
Forfeited (in dollars per share)	5.58	5.82
Expired (in dollars per share)	5.04	0
Outstanding, end of period (in dollars per share)	$ 4.29	$ 4.37
For options expected to vest
Number expected to vest (in shares)	735,846	686,417
Number expected to vest (in dollars per share)	$ 4.30	$ 4.38
Weighted average remaining term, in years	4 years 8 months 20 days	5 years 2 months 15 days
Intrinsic value (000s)	$ 0	$ 74
For exercisable options
Number exercisable (in shares)	326,972	265,286
Number exercisable (in dollars per share)	$ 4.44	$ 4.82
Weighted average remaining term, in years	4 years 1 month 10 days	4 years 2 months 12 days
Intrinsic value (000s)	$ 0	$ 19
For non-exercisable options
Expense not yet recognized (000s)	$ 477	$ 553
Weighted average years to be recognized	2 years 25 days	2 years 9 months 18 days