CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	Jun. 30, 2013	Sep. 30, 2012
Statement of Financial Position [Abstract]
Accounts receivable, allowance for doubtful accounts and sales returns (in dollars)	$ 112	$ 212
Unamortized debt discount (in dollars)	$ 899	$ 1,017
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized	20,000,000	20,000,000
Common stock, shares issued	6,543,918	6,372,465
Common stock, shares outstanding	6,529,672	6,358,219
Treasury stock, shares	14,246	14,246