Note 10 - Related Party (Details) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Ameritas Life Insurance Corp [Member]
Note 10 - Related Party (Details) [Line Items]
Related Party Transaction, Amounts of Transaction	$ 212,000	$ 198,000	$ 166,000
EPIC Property Management [Member]
Note 10 - Related Party (Details) [Line Items]
Related Party Transaction, Amounts of Transaction			103,000
Nebraska Global Investment Company LLC [Member]
Note 10 - Related Party (Details) [Line Items]
Related Party Transaction, Amounts of Transaction	$ 57,000	$ 55,000