Note 8 - Restructuring

6 Months Ended

Jun. 30, 2015

Notes to Financial Statements

Restructuring and Related Activities Disclosure [Text Block]

8. Restructuring

During the fourth quarter of 2014, the Company closed the facilities that had been used by Boulder, terminated four employees, and consolidated the research and development activities that had been performed at those locations to the Company’s Abingdon, U.K. and Memphis, Tennessee facilities. As a result of these actions, the Company recorded a fourth quarter 2014 restructuring charge of $182,000 in research and development expense.

The following table provides a rollforward of the liability balance for these restructuring actions.

(in thousands)	Abandonment of Excess Facilities			Relocation Costs			Severance			Total
Balance at December 31, 2014	$	42		$	28		$	—		$	70
(Credit) charge for restructuring		—			(9	)		3			(6	)
Payments		(42	)		(19	)		(3	)		(64	)
Balance at June 30, 2015	$	—		$	—		$	—		$	—