CONSOLIDATED BALANCE SHEETS (Parenthetical) (Unaudited) (USD $)	Nov. 30, 2013	Aug. 31, 2013
Current Assets:
Receivables, allowance for doubtful accounts	$ 7,000	$ 0
Other non-current assets, fair value of derivative instruments	1,324,000	1,505,000
LIABILITIES AND EQUITY
Other long-term liabilities, fair value of derivative instruments	9,000	14,000
defined benefit plan (other long-term liabilities)	$ 621,000	$ 589,000
Equity:
Common stock, par value (in dollars per share)	$ 0.0001	$ 0.0001
Common stock, authorized (in shares)	45,000,000	45,000,000
Common stock, issued (in shares)	30,923,393	30,924,392
Common stock, outstanding (in shares)	30,233,507	30,234,506
Treasury stock, shares (in shares)	689,886	689,886