Condensed Consolidated Statements of Operations and Comprehensive Income (Loss) (Unaudited) - USD ($)	3 Months Ended		6 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2018	Dec. 31, 2017
Income Statement [Abstract]
Net revenues - third parties	$ 10,440,287	$ 4,665,235	$ 16,617,820	$ 9,480,086
Net revenues - related party	75,000	555,246	397,000	1,120,406
Total revenues	10,515,287	5,220,481	17,014,820	10,600,492
Cost of revenues	(8,556,597)	(3,375,878)	(13,640,429)	(7,041,796)
Gross profit	1,958,690	1,844,603	3,374,391	3,558,696
Selling expenses	(258,229)	(335,261)	(366,598)	(357,727)
General and administrative expenses	(1,831,746)	(1,546,305)	(3,676,579)	(2,247,289)
Stock-based compensation	(1,047,376)	(280,709)	(1,864,584)	(343,082)
Total operating expenses	(3,137,351)	(2,162,275)	(5,907,761)	(2,948,098)
Operating income (loss)	(1,178,661)	(317,672)	(2,533,370)	610,598
Financial income, net	782	137,799	1,494	222,595
Net income (loss) before provision for income taxes	(1,177,879)	(179,873)	(2,531,876)	833,193
Income tax benefit (expense)	(244,979)	571,121	(178,513)	274,692
Net income (loss)	(1,422,858)	391,248	(2,710,389)	1,107,885
Net income attributable to non-controlling interest	51,114	93,545	80,345	192,993
Net income (loss) attributable to Sino-Global Shipping America, Ltd.	(1,473,972)	297,703	(2,790,734)	914,892
Comprehensive income (loss)
Net income (loss)	(1,422,858)	391,248	(2,710,389)	1,107,885
Other comprehensive income (loss) - foreign currency	(106,762)	97,600	(568,924)	145,317
Comprehensive income (loss)	(1,529,620)	488,848	(3,279,313)	1,253,202
Less: Comprehensive income attributable to non-controlling interest	26,930	20,618	133,655	61,365
Comprehensive income (loss) attributable to Sino-Global Shipping America Ltd.	$ (1,556,550)	$ 468,230	$ (3,412,968)	$ 1,191,837
Earnings (loss) per share
Basic	$ (0.11)	$ 0.03	$ (0.21)	$ 0.09
Diluted	$ (0.11)	$ 0.03	$ (0.21)	$ 0.09
Weighted average number of common shares used in computation
Basic	13,769,918	10,367,492	13,457,726	10,236,513
Diluted	13,769,918	10,415,503	13,457,726	10,286,683