|
Note 12 - Geographic Information (Details) - Revenues by Geographic Area (USD $)
|
3 Months Ended | 6 Months Ended |
|---|---|---|
|
Jun. 30, 2013
|
Jul. 31, 2012
|
|
| Revenues from External Customers and Long-Lived Assets [Line Items] | ||
| Revenues | $ 15,050,027 | $ 18,880,981 |
|
North America [Member]
|
||
| Revenues from External Customers and Long-Lived Assets [Line Items] | ||
| Revenues | 11,681,562 | 13,410,876 |
|
Europe, Middle East, and Asia [Member]
|
||
| Revenues from External Customers and Long-Lived Assets [Line Items] | ||
| Revenues | $ 3,368,465 | $ 5,470,105 |