Consolidated Statements Of Operations (USD $) In Thousands, except Per Share data	3 Months Ended		9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2011	Sep. 30, 2010
Consolidated Statements Of Operations [Abstract]
Revenues	$ 38,229	$ 26,316	$ 92,159	$ 76,509
Cost of sales	26,582	17,747	65,183	50,098
Gross profit	11,647	8,569	26,976	26,411
Operating expenses:
General and administrative	9,168	7,388	25,596	21,176
Selling, marketing and service	1,279	1,383	3,657	3,777
Depreciation and amortization	858	756	2,499	2,011
Total operating expenses	11,305	9,527	31,752	26,964
Operating income (loss)	342	(958)	(4,776)	(553)
Other income and (expenses):
Gain on sale of unconsolidated affiliate	44		21,830
Equity income from unconsolidated affiliate		598	1,559	2,435
Management fees		136	282	432
Interest income and other income	31	24	73	77
Interest expense	(168)	(177)	(454)	(457)
Income (loss) before income taxes	249	(377)	18,514	1,934
Income tax benefit (provision)	493	(42)	(1,763)	(475)
Income (loss) from continuing operations	742	(419)	16,751	1,459
Discontinued operations (Note 4):
Income from operations, net of tax		777		1,587
Gain on disposal, net of tax			5,636
Income from discontinued operations, net of tax		777	5,636	1,587
Net income	742	358	22,387	3,046
Less: Net (income) loss attributable to noncontrolling interest	230	132	573	(15)
Net income attributable to PowerSecure International, Inc.	972	490	22,960	3,031
Amounts attributable to PowerSecure International, Inc. common stockholders:
Income (loss) from continuing operations, net of tax	972	(287)	17,324	1,444
Income from discontinued operations, net of tax	0	777	5,636	1,587
Net income	$ 972	$ 490	$ 22,960	$ 3,031
Basic earnings per share attributable to PowerSecure International, Inc. common stockholders:
Income (loss) from continuing operations	$ 0.05	$ (0.01)	$ 0.92	$ 0.08
Income from discontinued operations	$ 0.00	$ 0.04	$ 0.30	$ 0.09
Net income attributable to PowerSecure International, Inc. common stockholders	$ 0.05	$ 0.03	$ 1.22	$ 0.17
Diluted earnings per share attributable to PowerSecure International, Inc. common stockholders:
Income (loss) from continuing operations	$ 0.05	$ (0.01)	$ 0.91	$ 0.08
Income from discontinued operations	$ 0.00	$ 0.04	$ 0.29	$ 0.08
Net income attributable to PowerSecure International, Inc. common stockholders	$ 0.05	$ 0.03	$ 1.20	$ 0.16