Note 9 - Accumulated Other Comprehensive Income (Loss) (Tables)

3 Months Ended

Mar. 31, 2018

Notes Tables

Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block]

	Available for Sale Securities
Balance as of December 31, 2017	$	−
Change in fair value		−
Income tax expense		−
Balance at March 31, 2018	$	−

	Available for Sale Securities
Balance as of December 31, 2016	$	(286	)
Change in fair value		−
Income tax expense		−
Balance at March 31, 2017	$	(286	)