Condensed Consolidated Statements of Operations and Comprehensive Income (Unaudited) - USD ($)	3 Months Ended		6 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2017	Dec. 31, 2016
Income Statement [Abstract]
Net revenues - third parties	$ 4,665,235	$ 1,511,624	$ 9,480,086	$ 2,606,547
Net revenues - related party	555,246	616,924	1,120,406	1,466,403
Total revenues	5,220,481	2,128,548	10,600,492	4,072,950
Cost of revenues	(3,375,878)	(350,796)	(7,041,796)	(657,135)
Gross profit	1,844,603	1,777,752	3,558,696	3,415,815
General and administrative expenses	(1,827,014)	(776,284)	(2,590,371)	(1,636,198)
Selling expenses	(335,261)	(46,875)	(357,727)	(112,184)
Total operating expenses	(2,162,275)	(823,159)	(2,948,098)	(1,748,382)
Operating income (loss)	(317,672)	954,593	610,598	1,667,433
Other income (expense)
Financial income (expense), net	137,799	(88,470)	222,595	(91,904)
Total other income (expense)	137,799	(88,470)	222,595	(91,904)
Net income (loss) before provision for income taxes	(179,873)	866,123	833,193	1,575,529
Income tax benefit (expense)	571,121	(73,391)	274,692	(145,012)
Net income	391,248	792,732	1,107,885	1,430,517
Net income (loss) attributable to non-controlling interest	93,545	(100,169)	192,993	(108,104)
Net income attributable to Sino-Global Shipping America, Ltd.	297,703	892,901	914,892	1,538,621
Comprehensive income
Net income	391,248	792,732	1,107,885	1,430,517
Foreign currency translation income (loss)	97,600	(104,312)	145,317	(118,882)
Comprehensive income	488,848	688,420	1,253,202	1,311,635
Less: Comprehensive income attributable to non-controlling interest	20,618	21,512	61,365	24,121
Comprehensive income attributable to Sino-Global Shipping America Ltd.	$ 468,230	$ 666,908	$ 1,191,837	$ 1,287,514
Earnings per share
-Basic	$ 0.03	$ 0.11	$ 0.09	$ 0.19
-Diluted	$ 0.03	$ 0.11	$ 0.09	$ 0.18
Weighted average number of common shares used in computation
-Basic	10,367,492	8,280,535	10,236,513	8,280,535
-Diluted	10,415,503	8,342,870	10,286,683	8,318,541