Note 21 - Commitments and Contingencies - Contractual Obligations (Details) - Office Rental [Member] $ in Thousands	Mar. 31, 2017 USD ($)
-2017	$ 321
-2018	428
-2019	107
Total	$ 856

Amount of contractual obligation due in the second fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

No definition available.

Name:	us-gaap_ContractualObligationDueInSecondYear
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant