Condensed Consolidated Balance Sheets (Unaudited) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013	Dec. 31, 2012
CURRENT ASSETS:
Cash and cash equivalents	$ 40,037	$ 27,281
Restricted cash	126	291
Short-term investments	64,880	76,349
Accounts receivable, less allowances: 2013, $633; 2012, $812	35,535	27,683
Inventories	43,215	42,256
Income taxes receivable	2,253	4,090
Prepaid expenses and other	2,201	2,355
Deferred income taxes	21,751	19,811
Total current assets	209,998	200,116
LONG-TERM INVESTMENTS	4,216	4,159
PROPERTY, PLANT AND EQUIPMENT, NET	57,946	60,692
GOODWILL	6,076	6,076
INTANGIBLE ASSETS, NET	8,779	7,906
DEFERRED INCOME TAXES	659	16
OTHER ASSETS	1,492	2,489
TOTAL	289,166	281,454
CURRENT LIABILITIES:
Accounts payable	13,574	21,936
Deferred income on shipments to distributors	31,980	25,768
Other current liabilities	9,665	8,833
Total current liabilities	55,219	56,537
LONG-TERM INCOME TAXES PAYABLE	3,425	2,759
LONG- TERM DEFFERED INCOME TAXES	792	1,054
OTHER LONG-TERM LIABILITIES	54	0
Total liabilities	59,490	60,350
COMMITMENTS AND CONTINGENCIES (Note 13)
MICREL, INCORPORATED SHAREHOLDERS' EQUITY:
issued and outstanding: none
outstanding: 2013 - 58,033,521 shares; 2012 - 58,153,665 shares	579
Accumulated other comprehensive loss	(337)	(532)
Retained earnings	229,434	221,636
Total shareholders' equity	229,676	221,104
TOTAL	$ 289,166	$ 281,454