CONSOLIDATED STATEMENTS OF COMMON SHAREHOLDERS' EQUITY (USD $) In Thousands, except Share data, unless otherwise specified	Common Stock [Member]	Additional Paid-in Capital [Member]	Accumulated Other Comprehensive Income Loss [Member]	Retained Decifit [Member]	Total
Balance at Dec. 31, 2009	$ 85	$ 122,682	$ (478)	$ (41,657)	$ 80,632
Balance (in shares) at Dec. 31, 2009	17,074,000
Increase (Decrease) in Shareholders' Equity [Roll Forward]
Issuance of shares under stock plans	1	126	0	0	127
Issuance of shares under stock plans (in shares)	60,000
Stock-based compensation	0	99	0	0	99
Stock-based compensation (in shares)	18,000
Issuance of shares pursuant to merger with Kona Brewing Co., Inc.	8	11,694	0	0	11,702
Issuance of shares pursuant to merger with Kona Brewing Co., Inc. (in shares)	1,667,000
Unrealized gains (losses) on derivative financial instruments, net of tax provision (benefit)	0	0	(50)	0	(50)
Net income	0	0	0	1,686	1,686
Balance at Dec. 31, 2010	94	134,601	(528)	(39,971)	94,196
Balance (in shares) at Dec. 31, 2010	18,819,000
Increase (Decrease) in Shareholders' Equity [Roll Forward]
Issuance of shares under stock plans	0	23	0	0	23
Issuance of shares under stock plans (in shares)	10,000
Stock-based compensation	0	467	0	0	467
Stock-based compensation (in shares)	16,000
Unrealized gains (losses) on derivative financial instruments, net of tax provision (benefit)	0	0	172	0	172
Net income	0	0	0	9,651	9,651
Balance at Dec. 31, 2011	94	135,091	(356)	(30,320)	104,509
Balance (in shares) at Dec. 31, 2011	18,845,000				18,844,817
Increase (Decrease) in Shareholders' Equity [Roll Forward]
Issuance of shares under stock plans	0	13	0	0	13
Issuance of shares under stock plans (in shares)	6,000
Stock-based compensation	0	547	0	0	547
Stock-based compensation (in shares)	23,000
Tax benefit related to stock options	0	379	0	0	379
Unrealized gains (losses) on derivative financial instruments, net of tax provision (benefit)	0	0	221	0	221
Net income	0	0	0	2,526	2,526
Balance at Dec. 31, 2012	$ 94	$ 136,030	$ (135)	$ (27,794)	$ 108,195
Balance (in shares) at Dec. 31, 2012	18,874,000				18,874,256