|
Note 7 - Industry Segments and Financial Information About Foreign and Domestic Operations (Detail) - Operations by Geographic Area (USD $)
In Thousands, unless otherwise specified |
6 Months Ended | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
|
Mar. 31, 2013
|
Mar. 31, 2012
|
Sep. 30, 2012
|
|||||||||
| Net Revenues to External Customers | $ 19,387 | $ 16,466 | |||||||||
| Long-lived Assets | 2,477 | 2,472 | |||||||||
|
South Africa [Member]
|
|||||||||||
| Net Revenues to External Customers | 5,421 | [1] | 3,116 | [2] | |||||||
|
Brazil [Member]
|
|||||||||||
| Net Revenues to External Customers | 2,240 | [2] | 2,240 | [2] | |||||||
|
United States [Member]
|
|||||||||||
| Net Revenues to External Customers | 1,419 | 1,291 | |||||||||
| Long-lived Assets | 180 | 175 | |||||||||
|
Congo [Member]
|
|||||||||||
| Net Revenues to External Customers | 1,403 | [3] | |||||||||
|
Uganda [Member]
|
|||||||||||
| Net Revenues to External Customers | 1,332 | [3] | |||||||||
|
Kenya [Member]
|
|||||||||||
| Net Revenues to External Customers | [3] | 998 | |||||||||
|
Malaysia [Member]
|
|||||||||||
| Net Revenues to External Customers | [3] | [3] | |||||||||
| Long-lived Assets | 2,045 | 2,010 | |||||||||
|
United Kingdom [Member]
|
|||||||||||
| Net Revenues to External Customers | [3] | [3] | |||||||||
| Long-lived Assets | 196 | 220 | |||||||||
|
India [Member]
|
|||||||||||
| Net Revenues to External Customers | [3] | [3] | |||||||||
| Long-lived Assets | 56 | 67 | |||||||||
|
Other Countries [Member]
|
|||||||||||
| Net Revenues to External Customers | $ 7,572 | $ 8,821 | |||||||||
|
|||||||||||