CONSOLIDATED STATEMENTS OF EQUITY (Unaudited) - USD ($)		Common Stock	Additional Paid-in Capital	Retained Earnings / Accumulated Deficit	Accumulated Other Comprehensive Loss	Ideanomics Shareholders' equity	Non - controlling Interest	Total
Balance at Dec. 31, 2017		$ 68,509	$ 158,449,544	$ (126,693,022)	$ (782,074)	$ 31,042,957	$ (1,289,367)	$ 29,753,590
Balance (in shares) at Dec. 31, 2017		68,509,090
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Share-based compensation			121,190			121,190		121,190
Common stock issuance for RSU vested		$ 13	(13)
Common stock issuance for RSU vested (in shares)		13,464
Common stock issuance for option exercised		$ 43	2,589			2,632		2,632
Common stock issuance for option exercised (in shares)		42,501
Common stock issued for warrant exercised		$ 300	524,700			525,000		525,000
Common stock issued for warrant exercised (in shares)		300,000
Net income (loss)				(3,721,369)		(3,721,369)	(91,444)	(3,812,813)
Foreign currency translation adjustments, net of nil tax					(32,481)	(32,481)	(9,148)	(41,629)
Balance at Mar. 31, 2018		$ 68,865	159,098,010	(130,414,391)	(814,555)	27,937,929	(1,389,959)	26,547,970
Balance (in shares) at Mar. 31, 2018		68,865,055
Balance at Dec. 31, 2017		$ 68,509	158,449,544	(126,693,022)	(782,074)	31,042,957	(1,289,367)	29,753,590
Balance (in shares) at Dec. 31, 2017		68,509,090
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)								(19,865,554)
Foreign currency translation adjustments, net of nil tax								565,315
Balance at Sep. 30, 2018		$ 77,246	190,188,410	(145,921,262)	(239,775)	44,104,619	(749,246)	43,355,373
Balance (in shares) at Sep. 30, 2018		77,246,801
Balance at Mar. 31, 2018		$ 68,865	159,098,010	(130,414,391)	(814,555)	27,937,929	(1,389,959)	26,547,970
Balance (in shares) at Mar. 31, 2018		68,865,055
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Share-based compensation			3,239,727			3,239,727		3,239,727
Investment from GTD and SSS			5,900,000			5,900,000		5,900,000
Common stock issuance for RSU vested		$ 1,227	(1,227)
Common stock issuance for RSU vested (in shares)		1,227,244
Common stock issuance for acquisition of BDCG		$ 3,000	7,797,000			7,800,000		7,800,000
Common stock issuance for acquisition of BDCG (in shares)		3,000,000
Net income (loss)				(8,320,024)		(8,320,024)	(290,897)	(8,610,921)
Foreign currency translation adjustments, net of nil tax					(121,465)	(121,465)	20,269	(101,196)
Balance at Jun. 30, 2018		$ 73,092	176,033,510	(138,734,415)	(936,020)	36,436,167	(1,660,587)	34,775,580
Balance (in shares) at Jun. 30, 2018		73,092,299
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Share-based compensation			11,530			11,530		11,530
Investment from GTD and SSS			5,288,502			5,288,502		5,288,502
Common stock issuance for option exercised		$ 40	(40)
Common stock issuance for option exercised (in shares)		40,295
Common stock issued for warrant exercised		$ 344	601,156			601,500		601,500
Common stock issued for warrant exercised (in shares)		343,714
Common stock issuance for Star Thrive Group Limited		$ 3,770	6,869,138			6,872,908		6,872,908
Common stock issuance for Star Thrive Group Limited (in shares)		3,770,493
Conversion feature of convertible note			1,384,614			1,384,614		1,384,614
Acquisition Of Grapevine							1,154,419	1,154,419
Net income (loss)				(7,186,847)		(7,186,847)	(254,973)	(7,441,820)
Foreign currency translation adjustments, net of nil tax					696,245	696,245	11,895	708,140
Balance at Sep. 30, 2018		$ 77,246	190,188,410	(145,921,262)	(239,775)	44,104,619	(749,246)	43,355,373
Balance (in shares) at Sep. 30, 2018		77,246,801
Balance at Dec. 31, 2018		$ 102,765	195,779,576	(149,975,302)	(1,664,598)	44,242,441	(1,030,626)	43,211,815
Balance (in shares) at Dec. 31, 2018		102,766,006
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Share-based compensation			224,484			224,484		224,484
Common stock issuance for RSU vested		$ 130	(130)
Common stock issuance for RSU vested (in shares)		129,840
Common stock issuance for acquisition (SolidOpinion, Inc)		$ 4,500	7,150,500			7,155,000		7,155,000
Common Stock issuance for acquisition SolidOpinion (Note 5(a)) (in shares)		4,500,000
Common stock issuance for convertible debt		$ 1,166	2,048,834			2,050,000		2,050,000
Common stock issuance for convertible debt (in shares)		1,166,113
Net income (loss)				19,926,515		19,926,515	(17,761)	19,908,754
Foreign currency translation adjustments, net of nil tax					172,133	172,133	(25,295)	146,838
Balance at Mar. 31, 2019		$ 108,561	205,203,264	(130,048,787)	(1,492,465)	73,770,573	(1,073,682)	72,696,891
Balance (in shares) at Mar. 31, 2019		108,561,959
Balance at Dec. 31, 2018		$ 102,765	195,779,576	(149,975,302)	(1,664,598)	44,242,441	(1,030,626)	43,211,815
Balance (in shares) at Dec. 31, 2018		102,766,006
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)								12,881,054
Foreign currency translation adjustments, net of nil tax								102,481
Balance at Sep. 30, 2019		$ 132,696	255,737,318	(138,468,441)	(1,557,346)	115,844,227	397,720	116,241,947
Balance (in shares) at Sep. 30, 2019		132,696,071
Balance at Mar. 31, 2019		$ 108,561	205,203,264	(130,048,787)	(1,492,465)	73,770,573	(1,073,682)	72,696,891
Balance (in shares) at Mar. 31, 2019		108,561,959
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Share-based compensation			3,702,636			3,702,636		3,702,636
Common stock issuance for asset acquisition-Fintalk (Note 5(b))		$ 2,861	5,347,139			5,350,000		5,350,000
Common stock issuance for asset acquisition-Fintalk (Note 5(b)) (in shares)		2,860,963
Common stock issuance for acquisition of non-controlling interest Grapevine (Note 5(c))		$ 591	491,027			491,618	(491,618)
Common stock issuance for acquisition of non-controlling interest Grapevine (Note 5(c)) (in shares)		590,671
Investment from SSSIG	[1]	$ 576	(576)
Investment (in shares)	[1]	575,431
Net income (loss)				5,292,213		5,292,213	(15,430)	5,276,783
Foreign currency translation adjustments, net of nil tax					(75,851)	(75,851)	7,992	(67,859)
Balance at Jun. 30, 2019		$ 112,589	214,743,490	(124,756,574)	(1,568,316)	88,531,189	(1,572,738)	86,958,451
Balance (in shares) at Jun. 30, 2019		112,589,024
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Share-based compensation			2,547,107			2,547,107		2,547,107
Common stock issuance for acquisition of BlackHorse Ventures	[2]	$ 815	1,499,475			1,500,290		1,500,290
Common stock issuance for acquisition of BlackHorse Ventures (in shares)	[2]	815,217
Common stock issuance for acquisition of Glory Connection (Note 5(e))		$ 12,190	24,367,810			24,380,000		24,380,000
Common stock issuance for acquisition of Glory Connection (Note 5(e)) (in shares)		12,190,000
Common stock issuance for acquisition (DBOT)		$ 5,852	9,708,186			9,714,038	104,648	9,818,686
Common stock issuance for acquisition of DBOT (Note 5(f)) (in shares)		5,851,830
Common stock issuance for releasing Grapevine as collateral		$ 250	372,250			372,500		372,500
Common stock issuance for releasing Grapevine as collateral ( in shares)		250,000
Common stock issuance for convertible debt		$ 1,000	2,499,000			2,500,000		2,500,000
Common stock issuance for convertible debt (in shares)		1,000,000
Deconsolidation of Amer							445,894	445,894
Net income (loss)				(13,711,867)		(13,711,867)	1,407,384	(12,304,483)
Foreign currency translation adjustments, net of nil tax					10,970	10,970	12,532	23,502
Balance at Sep. 30, 2019		$ 132,696	$ 255,737,318	$ (138,468,441)	$ (1,557,346)	$ 115,844,227	$ 397,720	$ 116,241,947
Balance (in shares) at Sep. 30, 2019		132,696,071

[1] In 2018, the Company entered into a subscription agreement and amended agreements with SSSIG to purchase $1.1 million of Common Stock at the then market price. The Company has received $1.1 million in total in 2018 and issued 575,431 shares of common stock in June 2019.

[2] On July 16, 2019, the Company entered into a share subscription agreement to subscribe 1,186 Pre-A preferred shares of BlackHorse Ventures, a Cayman Islands company, for a consideration of $1,500,290 paid in the form of common shares of the Company. The subscription shares represent 10% of the share capital of BlackHorse Ventures on a fully diluted basis.