Condensed Consolidated Balance Sheets (USD $) In Thousands	Oct. 02, 2011	Dec. 31, 2010
Current assets:
Cash and cash equivalents	$ 4,493	$ 4,641
Restricted cash	0	464
Trade accounts receivable (less allowance for doubtful accounts of $525 at October 2, 2011 and $490 at December 31, 2010)	26,308	34,270
Inventories	29,482	33,122
Due from insurance company	1,724	0
Deferred tax asset - current	208	208
Prepaid expenses and other current assets	1,985	2,949
Total current assets	64,200	75,654
Property, plant and equipment, net	12,963	14,485
Other assets:
Goodwill	18,349	18,276
Intangible assets, net	5,691	6,150
Security deposits and other long-term assets	144	270
Total other assets	24,184	24,696
Total Assets	101,347	114,835
Current liabilities:
Current portion of debt and capital lease obligations	2,483	8,717
Accounts payable	13,393	16,409
Income taxes payable	30	54
Other current liabilities	9,124	11,165
Total current liabilities	25,030	36,345
Long-term liabilities:
Debt and capital lease obligations	0	251
Deferred tax liability - long-term	4,105	3,906
Other long-term liabilities	1,118	538
Total long-term liabilities	5,223	4,695
Commitments and contingencies (Note 11)
Ultralife equity:
Preferred stock, par value $0.10 per share, authorized 1,000,000 shares; none issued and outstanding
Common stock, par value $0.10 per share, authorized 40,000,000 shares; issued - 18,695,571 at October 2, 2011 and 18,639,683 at December 31, 2010	1,872	1,865
Capital in excess of par value	171,952	171,020
Accumulated other comprehensive loss	(994)	(1,262)
Accumulated deficit	(94,063)	(90,200)
Total equity	78,767	81,423
Less -Treasury stock, at cost - 1,372,757 shares at October 2, 2011 and 1,371,900 shares at December 31, 2010 outstanding	7,658	7,652
Total Ultralife equity	71,109	73,771
Noncontrolling interest	(15)	24
Total shareholders' equity	71,094	73,795
Total Liabilities and Shareholders' Equity	$ 101,347	$ 114,835