Condensed Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013	Dec. 31, 2012
Current assets:
Cash and cash equivalents	$ 11,158	$ 9,656
Restricted cash	414	422
Trade accounts receivable (less allowance for doubtful accounts of $305 at June 30, 2013 and $322 at December 31, 2012)	12,401	20,913
Inventories	31,021	30,370
Due from insurance company	438	723
Deferred tax asset - current	157	120
Income taxes receivable	120	28
Prepaid expenses and other current assets	1,468	1,590
Total current assets	57,177	63,822
Property, plant and equipment, net	11,249	12,415
Other assets:
Goodwill	16,391	16,344
Intangible assets, net	4,844	5,039
Security deposits and other long-term assets	1,474	98
	22,709	21,481
Total Assets	91,135	97,718
Current liabilities:
Accounts payable	9,400	11,357
Income taxes payable	2	2
Deferred tax liability - current	74
Other current liabilities	4,900	8,533
Total current liabilities	14,376	19,892
Long-term liabilities:
Deferred tax liability - long-term	4,298	4,160
Other long-term liabilities	195	210
Total long-term liabilities	4,493	4,370
Commitments and contingencies (Note 10)
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 - 18,831,734 at June 30, 2013 and 18,828,734 at December 31, 2012	1,886	1,886
Capital in excess of par value	174,233	173,791
Accumulated other comprehensive loss	(599)	(620)
Accumulated deficit	(95,522)	(93,878)
	79,998	81,179
Less --Treasury stock, at cost -- 1,372,757 shares at June 30, 2013 and 1,372,757 shares at December 31, 2012	7,658	7,658
Total Ultralife equity	72,340	73,521
Noncontrolling interest	(74)	(65)
Total shareholders' equity	72,266	73,456
Total Liabilities and Shareholders' Equity	$ 91,135	$ 97,718