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Summary of Significant Accounting Policies - Reconciliation of Basic and Diluted Income (Loss) per Share (Details) - USD ($) shares in Thousands, $ in Thousands | 3 Months Ended | 12 Months Ended
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Dec. 31, 2015 | Sep. 30, 2015 | Jun. 30, 2015 | Mar. 31, 2015 | Dec. 31, 2014 | Sep. 30, 2014 | Jun. 30, 2014 | Mar. 31, 2014 | Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013
Numerator: |  |  |  |  |  |  |  |  |  |  |
Net income from continuing operations | $ 1,657 | $ 4,398 | $ 2,192 | $ 1,224 | $ (65) | $ 256 | $ (384) | $ (4,053) | $ 9,471 | $ (4,246) | $ (5,907)
(Loss) income from discontinued operations | (373) | (142) | (81) | (95) | (685) | (659) | (238) | (17) | (691) | (1,599) | 3,546
Net income (loss) | $ 1,284 | $ 4,256 | $ 2,111 | $ 1,129 | $ (750) | $ (403) | $ (622) | $ (4,070) | $ 8,780 | $ (5,845) | $ (2,361)
Denominator: |  |  |  |  |  |  |  |  |  |  |
Basic weighted average common shares outstanding (in shares) |  |  |  |  |  |  |  |  | 10,413 | 7,816 | 4,779
Potential common shares from options and warrants (in shares) |  |  |  |  |  |  |  |  | 339 | 0 | 0
Diluted weighted average shares (in shares) |  |  |  |  |  |  |  |  | 10,752 | 7,816 | 4,779

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- Definition Amount of income (loss) from continuing operations attributable to the parent. Also defined as revenue less expenses and taxes from ongoing operations before extraordinary items but after deduction of those portions of income or loss from continuing operations that are allocable to noncontrolling interests. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.13) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 45 -Paragraph 18 -URI http://asc.fasb.org/extlink&oid=7656940&loc=SL4613673-111683 + Details
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