Consolidated Statement of Stockholders' Equity (Deficit) (USD $)	Common Stock, $0.001 Par Value Number of Shares	Common Stock, $0.001 Par Value Amount	Additional paid-in Capital USD ($)	Accumulated defiocit USD ($)	Total STEV Stockholders Equity (Deficit) USD ($)	Non- controlling Interest USD ($)	Total Equity (Deficit) USD ($)
Balance at Mar. 31, 2013	63,555,635	63,556	4,760,624	(4,359,415)	464,765	(214,158)	250,607
Common shares issued for consulting services valued at $0.20 per share on April 30, 2013	500,000	500	99,500		100,000		100,000
Exercise of warrant with exercise price adjusted to $0.20 per share on May 6, 2013	853,333	853	169,813		170,666		170,666
Commissions and legal fees paid in connection with the exercise of warrants on May 6, 2013			$ (18,653)		$ (18,653)		$ (18,653)
Reclassification of derivative liability to additional paid-in capital associated with the exercise of warrants			595,852		595,852		595,852
Warrants issued to investors in connection with warrants exercised on May 6, 2013 classified as derivative liability			(833,106)		(833,106)		(833,106)
Make good shares released to officer for achieving the second and third milestones on June 21, 2013	3,000,000	3,000	597,000		600,000		600,000
Common shares issued for future director services on October 4, 2011 earned during the period endng June 30,2013			93,750		93,750		93,750
Reclassification to derivative liability for warrants that became derivatives			(167,949)		(167,949)		(167,949)
Common shares issued for future director services on October 4, 2011 earned during the period endng September 30, 2013			93,750		93,750		93,750
Anti-dilution shares issued in accordance with the Security Purchase Agreement dated August 1, 2012 on October 1, 2013	286,666	286	(286)
Common shares issued for future director service on December 4, 2013	1,500,000	1,500	(187,500)		(187,500)		(187,500)
Common shares issued per debt settlement agreement for past due accounts payable and related settlement costs	13,000,000	13,000	1,416,715		1,708,937		1,708,937
Common shares issued for future director service on December 4, 2013 earned during the period endng December 31, 2013			7,811		7,811		7,811
Common shares issued per debt settlement agreement for past due accounts payable and related settlement costs	2,538,882	2,539	276,683
Exercise of warrants with exercise price reset to $0.0585 per share on February 13, 2014	1,877,333	1,877	107,947		109,824		109,824
Exercise of warrants with exercise price reset to $0.053365 per share on February and March, 2014	4,096,534	4,097	214,515		218,612		218,612
Commissions paid in connection with the exercise of warrants on during the quarter ending March 31, 2014			(26,275)		(26,275)		(26,275)
Reclassification of derivative liability to additional paid-in capital associated with the exercise of warrants			943,456		943,456		943,456
Cashless exercise of warrants with exercise price reset to $0.053365 per share on March 11, 2014	3,438,181	3,438	180,040		183,478		183,478
Cashless exercise of warrants on March 11, 2014	(611,391)	(611)	(182,867)		(183,478)		(183,478)
Reclassification of derivative liability to additional paid-in capital associated with the cashless exercise of warrants			145,612		145,612		145,612
Common shares issued for notes and accrued interest conversion at $0.1194 per share on March 11, 2014	1,973,337	1,973	233,643		235,616		235,616
Common shares issued for notes and accrued interest conversion at $0.25 per share on March 11 ,2014	1,124,274	1,124	279,945		281,069		281,069
Common shares issued for notes conversion at $0.0585 per share on January 21 and February 04 ,2014	850,000	850	48,875		49,725		49,725
Common shares issued for notes and accrued interest conversion at $0.053365 per share on February 19 and 27 ,2014	1,400,158	1,400	73,319		74,719		74,719
Common shares issued for notes conversion at $0.0555 per share on March 3, 2014	630,631	631	34,369		35,000		35,000
Common shares issued for notes and accrued interest conversion at $0.0551per share on February 28 and March 5 ,2014	2,262,069	2,262	122,378		124,640		124,640
Common shares issued for notes and accrued interest conversion at $0.0559 per share on March 26 and 27 ,2014	1,669,648	1,670	91,663		93,333		93,333
Common shares issued for notes and accrued interest conversion at $0.057 per share on March 31 ,2014	1,119,299	1,119	62,681		63,800		63,800
Reclassification of derivative liability to additional paid-in capital associated with the notes and accrued interest conversion			627,333		627,333		627,333
Warrants issued to the placement agent in connection with issuance and conversion of convertible notes			(139,223)		(139,223)		(139,223)
Common shares issued for consulting services valued at $0.053365 per share on February 24, 2014	7,300,000	7,300	382,265		389,565		389,565
Common shares issued for officer's service valued at $0.053365 per share on February 24, 2014	20,000,000	20,000	1,047,300		1,067,300		1,067,300
Common shares issued for officer's service valued at $0.053365 per share on February 24, 2014			(1,067,300)		(1,067,300)		(1,067,300)
Common shares issued for officer's service valued at $0.053365 per share on February 24, 2014			213,460		213,460		213,460
Common shares issued per the debt conversion Agreement valued at $0.053365 per share on February 26, 2014	9,339,348	9,339	489,055		498,394		498,394
Common shares issued for the subsidiary's Debt Conversion valued at $0.053365 per share on February 26, 2014	7,405,334	7,405	387,781		395,186		395,186
Common shares issued for future director service on December 4, 2013 earned during the period endng March 31, 2014			23,439		23,439		23,439
Net loss				(9,238,526)	(9,238,526)	(78,595)	(9,317,121)
Balance at Mar. 31, 2014	149,109,271	149,108	11,383,415	(13,597,941)	(2,065,418)	(292,753)	(2,358,171)
Reclassification of derivative liability to additional paid-in capital associated with the notes and accrued interest conversion			18,337		18,337		18,337
Warrants issued to the placement agent in connection with issuance and conversion of convertible notes			(14,625)		(14,625)		(14,625)
Cashless exercise of warrants with exercise price reset to $0.053365 per share on April 4, 2014	4,684,718	4,685	245,315		250,000		250,000
Cashless exercise of warrants on April 4, 2014	(841,750)	(842)	(249,158)		(250,000)		(250,000)
Reclassification of derivative liability to additional paid-in capital associated with the cashless exercise of warrants			1,039,025		1,039,025		1,039,025
Common shares and warrants issued for cash at $0.15 per share on April 9, 2014	1,500,000	1,500	223,500		225,000		225,000
Warrants issued to the investor in connection with issuance of common stocks			(163,707)		(163,707)		(163,707)
Common shares issued for consulting services vested upon one year valued at $0.053365 per share on April 30, 2014	500,000	500	26,183		26,683		26,683
Exercise of warrants for cash with exercise price at $0.053365 per share in May and June, 2014	9,772,052	9,772	511,714		521,486		521,486
Commissions paid in connection with the exercise of warrants during the quarter ending June 30, 2014			(35,612)		(35,612)		(35,612)
Reclassification of derivative liability to additional paid-in capital associated with the exercise of warrants			1,264,438		1,264,438		1,264,438
Common shares issued for notes conversion at $0.0812 per share on May 27 and May 28, 2014 to one investor	652,710	653	52,347		53,000		53,000
Common shares issued for accrued interest conversion at $0.0812 per share on May 27 and May 28, 2014 to one investor	26,108	26	2,094		2,120		2,120
Common shares issued for notes conversion at the price range from $0.0426 to $0.0879 per share in May and June 2014 to one investor	4,646,371	4,646	246,861		251,507		251,507
Reclassification of derivative liability to additional paid-in capital associated with the notes and accrued interest conversion			248,365		248,365		248,365
Common shares issued for officer's service on February 24, 2014 earned during the period endng June 30, 2014			53,365		53,365		53,365
Common shares issued for future director service on December 4, 2013 earned during the period endng June 30, 2014			23,437		23,437		23,437
Common shares issued for notes conversion ranging from $0.039 to $0.0426 per share in July 2014	17,063,771	17,064	671,429		688,493		688,493
Common shares issued for accrued interest conversion at $0.039 per share on July 21, 2014	410,000	410	15,580		15,990		15,990
Common shares issued for notes conversion ranging from $0.04875 to $0.05525 per share on August 20 and September 4, 2014	1,082,000	1,082	54,474		55,556		55,556
Common shares issued accrued interest conversion at $0.05525 per share on September 4, 2014	120,664	121	6,545		6,666		6,666
Exercise of warrants for cash at $0.039 per share in during the quarter ending September 30,2014	8,646,803	8,647	329,693		338,340		338,340
Reclassification of derivative liability to additional paid-in capital associated with the exercise of warrants			403,829		403,829		403,829
Commissions paid in connection with the exercise of warrants during the quarter ending September 30, 2014			(33,174)		(33,174)		(33,174)
Reclassification of derivative liability to additional paid-in capital associated with the notes and accrued interest conversion			50,607		50,607		50,607
Warrants issued to the placement agent in connection with issuance and conversion of convertible notes			(52,679)		(52,679)		(52,679)
Common shares issued for officer's service on February 24, 2014 earned during the period endng September 30, 2014			53,365		53,365		53,365
Common shares issued for future director service on December 4, 2013 earned during the period endng September 30, 2014			23,438		23,438		23,438
Common shares issued for consulting services valued at $0.089545 per share on October 6, 2014	166,667	167	14,757		14,924		14,924
Common shares issued for notes conversion at $0.041275 per share on December 29, 2014	700,000	700	28,193		28,893		28,893
Reclassification of derivative liability to additional paid-in capital associated with the notes conversion			18,337		18,337		18,337
Warrants issued to the notes holders and placement agent in connection with convertible notes issuance during the period ending December 31, 2014			(284,919)		(284,919)		(284,919)
Common shares issued for officer's service on February 24, 2014 earned during the period endng December 31, 2014			53,365		53,365		53,365
Common shares issued for future director service on December 4, 2013 earned during the period endng December 31, 2014			23,437		23,437		23,437
Net Income (loss)				$ 373,255	$ 373,255	$ (74,018)	$ 299,237
Balance at Dec. 31, 2014	198,239,385	198,239	16,233,234	(13,224,686)	3,206,787	(366,771)	2,840,016