Consolidated Balance Sheets (Parentheticals) (USD $) In Thousands, except Share data, unless otherwise specified	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013 Series A Preferred Stock	Sep. 30, 2012 Series A Preferred Stock	Sep. 30, 2013 Series B Preferred Stock	Sep. 30, 2012 Series B Preferred Stock
Assets, Current [Abstract]
Allowance for Doubtful Accounts Receivable, Current	$ 342	$ 266
Value added tax receivable allowance	$ 707	$ 722
Stockholders' Equity Attributable to Parent [Abstract]
Common Stock, Par or Stated Value Per Share (in usd per share)	$ 0.01	$ 0.01
Common Stock, Shares Authorized	75,000,000	75,000,000
Common Stock, Shares, Issued	37,802,950	36,296,027
Common Stock, Shares, Outstanding	29,386,870	28,183,549
Preferred Stock, Par or Stated Value Per Share (in usd per share)			$ 0.01	$ 0.01	$ 0.01	$ 0.01
Preferred Stock, Shares Authorized			1,800,000	1,800,000	200,000	200,000
Preferred Stock, Shares Issued			0	0	0	0
Preferred Stock, Shares Outstanding			0	0	0	0
Treasury Stock, Shares	8,416,080	8,112,478