Note 5 - Capital Lease Obligations (Details) - Capital Lease Assets Balances (USD $) In Thousands, unless otherwise specified	Mar. 31, 2014
Capital Leased Assets [Line Items]
Original Cost	$ 393
Accumulated Amortization	322
Net Book Value	71
June 2011 [Member]
Capital Leased Assets [Line Items]
Original Cost	140
Accumulated Amortization	133
Net Book Value	7
January 2012 Lease 2 [Member]
Capital Leased Assets [Line Items]
Original Cost	253
Accumulated Amortization	189
Net Book Value	$ 64