Condensed Consolidated Balance Sheets (Current Period Unaudited) (USD $) In Thousands, unless otherwise specified	Sep. 27, 2014	Dec. 31, 2013
ASSETS
Cash and cash equivalents	$ 13,483	$ 20,947
Short-term marketable securities		3,447
Accounts receivable, net	9,459	15,156
Inventories	15,318	21,114
Prepaid expenses and other current assets	3,858	3,628
Assets held for sale	3,251
Total current assets	45,369	64,292
Equipment and furniture	180,724	203,797
Leasehold improvements	46,850	46,850
Projects in process	2,477	4,832
	230,051	255,479
Less accumulated depreciation and amortization	212,131	222,303
	17,920	33,176
Other assets	212	213
Total assets	63,501	97,681
LIABILITIES AND STOCKHOLDERS’ EQUITY
Accounts payable	6,174	13,043
Accrued liabilities	3,657	4,380
Accrued restructuring costs	1,018	245
Bank borrowings	4,000
Total current liabilities	14,849	17,668
Other long-term liabilities	1,262	1,604
Commitments and contingencies
Common stock, $0.01 par value, 144,000 shares authorized, 86,694 issued at September 27, 2014 and 84,437 issued at December 31, 2013	867	844
Additional paid-in capital	641,980	637,922
Accumulated deficit	(595,198)	(561,745)
Accumulated other comprehensive income		1,647
Treasury stock at cost: 115 shares	(259)	(259)
Total stockholders’ equity	47,390	78,409
Total liabilities and stockholders’ equity	$ 63,501	$ 97,681