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 (in dollars)	$ 0	$ 0
Unbilled receivables	$ 9,300	$ 9,300
Preferred stock, par value (in dollars per share)	$ 0.10	$ 0.10
Preferred stock, authorized shares	5,000,000	5,000,000
Preferred stock, issued shares	0	0
Preferred stock, outstanding shares	0	0
Common stock, par value (in dollars per share)	$ 0.001	$ 0.001
Common stock, authorized shares	40,000,000	40,000,000
Common stock, issued shares	9,320,000	9,268,000
Common stock, outstanding shares	9,318,000	9,266,000
Treasury stock, shares	2,000	2,000