Note 2 - Investments - Telecommunications Stocks Held (Details) - shares	Oct. 01, 2017	Jul. 10, 2017	Jul. 09, 2017
ATT [Member]
Investment (in shares)	82,112
Manulife [Member]
Investment (in shares)	2,520
CSAL [Member]
Investment (in shares)	815
NCR [Member]
Investment (in shares)	774
Teradata [Member]
Investment (in shares)	774
Vodafone [Member]
Investment (in shares)	6,471
Century Link [Member]
Investment (in shares)	4,398
Frontier Communications [Member]
Investment (in shares)	300	300	4,508
Sprint [Member]
Investment (in shares)	40,000
Verizon [Member]
Investment (in shares)	31,904
Windstream [Member]
Investment (in shares)	679