Note 11 - Major Customers and Concentration of Credit Risk (Tables)

9 Months Ended

Sep. 30, 2017

Sales Revenue, Goods, Net [Member]

Revenue from External Customers by Products and Services [Table Text Block]

	Three Months Ended September 30,				Nine Months Ended September 30,
	2017		2016		2017		2016
	(In thousands)				(In thousands)
Converted product net sales	$	42,007	$	38,284	$	109,602	$	122,867
Parent roll net sales		3,165		1,344		9,367		3,918
Total net sales	$	45,172	$	39,628	$	118,969	$	126,785

Schedules of Concentration of Risk, by Risk Factor [Table Text Block]

	Three Months Ended September 30,						Nine Months Ended September 30,
	2017			2016			2017			2016
Converted product customer 1		28	%		34	%		30	%		35	%
Converted product customer 2		15			16			15			14
Converted product customer 3		21			*			15			*
Total percent of net sales		64	%		50	%		60	%		49	%

*Customer did not account for more than 10% of sales during the period indicated

Accounts Receivable [Member]

Schedules of Concentration of Risk, by Risk Factor [Table Text Block]

	September 30,				December 31,
	2017				2016
Converted product customer 1	$	3,621	22	%	$	3,703	41	%
Converted product customer 2		2,716	16			*	*
Converted product customer 3		4,174	25			*	*
Total of accounts receivable	$	10,511	63	%	$	3,703	41	%

*Customer did not account for more than 10% of accounts receivable during the period indicated