Condensed Consolidated Balance Sheets (Unaudited) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013	Dec. 31, 2012
CURRENT ASSETS:
Cash and cash equivalents	$ 28,524	$ 27,281
Restricted cash	1,099	291
Short-term investments	69,708	76,349
Accounts receivable, less allowances: 2013, $755; 2012, $812	31,894	27,683
Inventories	45,102	42,256
Income taxes receivable	4,367	4,090
Prepaid expenses and other	1,602	2,355
Deferred income taxes	22,369	19,811
Total current assets	204,665	200,116
LONG-TERM INVESTMENTS	4,212	4,159
PROPERTY, PLANT AND EQUIPMENT, NET	58,764	60,692
GOODWILL	8,501	6,076
INTANGIBLE ASSETS, NET	11,795	7,906
DEFERRED INCOME TAXES	697	16
OTHER ASSETS	1,194	2,489
TOTAL	289,828	281,454
CURRENT LIABILITIES:
Accounts payable	16,075	21,936
Deferred income on shipments to distributors	32,493	25,768
Other current liabilities	11,742	8,833
Total current liabilities	60,310	56,537
LONG-TERM INCOME TAXES PAYABLE	3,064	2,759
LONG- TERM DEFFERED INCOME TAXES	1,283	1,054
OTHER LONG-TERM LIABILITIES	55	0
Total liabilities	64,712	60,350
COMMITMENTS AND CONTINGENCIES (Note 13)
MICREL, INCORPORATED SHAREHOLDERS' EQUITY:
Preferred stock, no par value - authorized: 5,000,000 shares; issued and outstanding: none
Common stock, no par value - authorized: 250,000,000 shares; issued and outstanding: 2013 - 57,425,064 shares; 2012 - 58,153,665 shares
Accumulated other comprehensive loss	(312)	(532)
Retained earnings	225,428	221,636
Total shareholders' equity	225,116	221,104
TOTAL	$ 289,828	$ 281,454