Condensed Consolidated Balance Sheets - USD ($)	Mar. 31, 2021	Dec. 31, 2020
CURRENT ASSETS:
Cash and cash equivalents	$ 444,346	$ 1,805,417
Accounts receivable, net of allowance for doubtful accounts	25,832	38,814
Prepaid expenses and other receivables	117,051	132,644
Marketable securities	3,185,660	1,989,823
Total current assets	3,772,889	3,966,698
OTHER ASSETS:
Property and equipment, net	452,027	487,336
Intangible assets, net	132,207	156,767
Total other assets	584,234	644,103
Total assets	4,357,123	4,610,801
CURRENT LIABILITIES:
Short-term bank loans	6,425,437	6,446,139
Convertible note payable, net of unamortized debt discount	503,571	595,750
Accounts payable and accrued expenses	723,861	1,264,706
Other payable	946,483	932,220
Due to related parties	2,504,866	2,468,375
Deferred revenue		107
Total current liabilities	11,104,218	11,707,297
LONG-TERM LIABILITIES:
Long-term loan	4,893,661	4,940,420
Total liabilities	15,997,879	16,647,717
STOCKHOLDERS’ DEFICIT:
Preferred stock, Series A $0.001 par value; 50,000,000 shares authorized; 531,600 and 531,600 issued and outstanding at March 31, 2021 and December 31, 2020, respectively	532	532
Common stock $0.001 par value; 7,400,000,000 shares authorized; 193,670,023 and 172,883,475 shares issued and outstanding at March 31, 2021 and December 31, 2020, respectively	193,669	172,883
Additional paid-in capital	62,284,015	61,700,634
Retained earnings	(73,249,036)	(73,020,134)
Accumulated other comprehensive income	9,973	(13,246)
Total stockholders’ deficit attributed to SEII	(10,760,847)	(11,159,331)
Non-controlling interest	(879,909)	(877,585)
Total stockholders’ deficit	(11,640,756)	(12,036,916)
Total liabilities and stockholders’ deficit	$ 4,357,123	$ 4,610,801