Note 9 - Investment in Affiliates (Details) - Interest,Maximum Exposure to Loss as a Result of Involvment in VIE (USD $) In Thousands, unless otherwise specified	Jun. 30, 2014	Apr. 30, 2014
Company’s Variable Interest in Entity
Note receivable, noncurrent, related party	$ 8,450
Affiliated Entity [Member] | Calwaii [Member]
Company’s Variable Interest in Entity
Other assets, noncurrent, related party	998
Affiliated Entity [Member]
Company’s Variable Interest in Entity
Other assets, noncurrent, related party	998
Calwaii [Member] | Variable Interest Entity, Not Primary Beneficiary [Member]
Company’s Variable Interest in Entity
Investment in affiliate	1,376	1,400
Calwaii [Member]
Company’s Variable Interest in Entity
Investment in affiliate	1,376
Note receivable, noncurrent, related party	8,450
Total	$ 10,824