Condensed Consolidated Statements of Operations (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Operating costs:
Total operating costs	$ 12,935	$ 12,651	$ 34,477	$ 37,216
Other income (expense):
Change in fair value of common stock warrant liability	(2,400)	3,300	(3,400)	8,450
Goodwill impairment			(400)
Total other income (expense)	3,032	(3,023)	5,894	(7,404)
Income tax expense (benefit)	317	(7)	527	86
Earnings (loss) from continuing operations	339	(5,785)	(1,553)	(10,080)
Earnings (loss) from discontinued operations, net of income taxes	428	(74)	1,931	(468)
Net earnings (loss)	767	(5,859)	378	(10,548)
Earnings (loss) attributable to noncontrolling interest	0	0	0	0
Net earnings (loss) attributable to Signature Group Holdings, Inc.	767	(5,859)	378	(10,548)
Basic:
Continuing operations	$ 0.03	$ (0.48)	$ (0.13)	$ (0.85)
Discontinued operations	$ 0.03	$ (0.01)	$ 0.16	$ (0.04)
Basic earnings (loss) per share	$ 0.06	$ (0.49)	$ 0.03	$ (0.89)
Diluted:
Continuing operations	$ 0.03	$ (0.48)	$ (0.13)	$ (0.85)
Discontinued operations	$ 0.03	$ (0.01)	$ 0.16	$ (0.04)
Diluted earnings (loss) per share	$ 0.06	$ (0.49)	$ 0.03	$ (0.89)
Continuing Operations
Operating revenues:
Total operating revenues	10,987	9,781	29,449	34,254
Operating costs:
Cost of goods sold	6,888	6,498	19,162	17,795
Selling, general and administrative	5,356	4,382	12,777	13,880
Interest expense	219	985	706	2,992
Amortization of intangibles	276	413	883	1,238
Total operating costs	12,739	12,278	33,528	35,905
Operating loss	(1,752)	(2,497)	(4,079)	(1,651)
Other income (expense):
Change in fair value of common stock warrant liability	2,400	(3,300)	3,400	(8,450)
Goodwill impairment			(400)
Other, net	8	5	53	107
Total other income (expense)	2,408	(3,295)	3,053	(8,343)
Earnings (loss) from continuing operations before income taxes	656	(5,792)	(1,026)	(9,994)
Income tax expense (benefit)	317	(7)	527	86
Net earnings (loss)	339	(5,785)	(1,553)	(10,080)
Continuing Operations | Industrial Supply
Operating revenues:
Total operating revenues	10,947	10,230	29,325	28,054
Continuing Operations | Special Situations
Operating revenues:
Total operating revenues	40	(453)	124	6,165
Continuing Operations | Corporate and Other
Operating revenues:
Total operating revenues		$ 4		$ 35