Note 3 - Investments - Telecommunications Stocks Held (Details)	Jul. 02, 2017 shares
ATT [Member]
Investment (in shares)	82,112
Manulife [Member]
Investment (in shares)	2,520
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)	4,508
Sprint [Member]
Investment (in shares)	40,000
Verizon [Member]
Investment (in shares)	31,904
Windstream [Member]
Investment (in shares)	679
CSAL [Member]
Investment (in shares)	815