Note 7 - Leases and Related Party Transactions (Details) - Future Minimum Annual Rental Payments of Non-Cancelable Operating Leases and Capital Leases for Equipment (USD $) In Thousands, unless otherwise specified	Mar. 31, 2014	Mar. 31, 2013
Future Minimum Annual Rental Payments of Non-Cancelable Operating Leases and Capital Leases for Equipment [Abstract]
2015	$ 1,549
2015	1,030
2016	1,580
2016	791
2017	1,611
2017	75
2018	1,643
2018	63
2019	1,676
2019	30
Thereafter	18,722
Total minimum lease payments	26,781
Total minimum lease payments	1,989
Less: Amounts representing interest	(13,310)
Present value of minimum lease payments	13,471
Less: Current portion of capital lease obligations	(226)	(176)
Long-term portion of capital lease obligations	$ 13,245	$ 13,475

Note 7 - Leases and Related Party Transactions (Details) - Future Minimum Annual Rental Payments of Non-Cancelable Operating Leases and Capital Leases for Equipment (USD $)
In Thousands, unless otherwise specified

Mar. 31, 2014

Mar. 31, 2013

Future Minimum Annual Rental Payments of Non-Cancelable Operating Leases and Capital Leases for Equipment [Abstract]

$ 1,549

1,030

1,580

791

1,611

1,643

1,676

18,722

Total minimum lease payments

26,781

Total minimum lease payments

1,989

Less: Amounts representing interest

(13,310)

Present value of minimum lease payments

13,471

Less: Current portion of capital lease obligations

(226)

(176)

Long-term portion of capital lease obligations

$ 13,245

$ 13,475

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Amount of capital lease obligation due within one year or the normal operating cycle, if longer.

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