Consolidated Balance Sheets (Current Period Unaudited) - USD ($) $ in Thousands	Jul. 02, 2017	Dec. 31, 2016
Current assets:
Cash	$ 14,933	$ 10,629
Restricted cash	83	77
Trade accounts receivable, net of allowance for doubtful accounts of $273 and $277, respectively	13,543	13,179
Inventories, net	24,490	23,456
Prepaid expenses and other current assets	1,754	2,079
Total current assets	54,803	49,420
Property, equipment and improvements, net	7,833	7,999
Goodwill	20,223	19,965
Intangible assets, net	7,169	7,194
Security deposits and other non-current assets	143	72
Deferred income taxes	94	94
Total assets	90,265	84,744
Current liabilities:
Accounts payable	7,647	7,292
Accrued compensation and related benefits	1,875	1,258
Accrued expenses and other current liabilities	1,966	2,606
Income taxes payable	386	172
Total current liabilities	11,874	11,328
Deferred income taxes	5,615	5,538
Other non-current liabilities	27	18
Total liabilities	17,516	16,884
Commitments and contingencies (Note 11)
Shareholders' equity:
Preferred stock – par value $.10 per share; authorized 1,000,000 shares; none issued
Common stock – par value $.10 per share; authorized 40,000,000 shares; issued – 19,567,642 shares at July 2, 2017 and 19,324,723 shares at December 31, 2016; outstanding – 15,551,890 shares at July 2, 2017 and 15,308,971 at December 31, 2016	1,957	1,932
Capital in excess of par value	179,519	178,163
Accumulated deficit	(87,793)	(90,542)
Accumulated other comprehensive loss	(2,327)	(3,080)
Treasury stock - at cost; 4,015,752 shares	(18,443)	(18,443)
Total Ultralife Corporation equity	72,913	68,030
Non-controlling interest	(164)	(170)
Total shareholders’ equity	72,749	67,860
Total liabilities and shareholders' equity	$ 90,265	$ 84,744

Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount due from customers or clients, within one year of the balance sheet date (or the normal operating cycle, whichever is longer), for goods or services (including trade receivables) that have been delivered or sold in the normal course of business, reduced to the estimated net realizable fair value by an allowance established by the entity of the amount it deems uncertain of collection.