Green California Tax-Free Income Fund - Investor Shares Bloomberg U.S. Municipal Index Long Term Securities [Member] VR Demand Notes [Member] California Educational Facilities Authority [Member] San Jose Financing Authority [Member] San Diego Public Facilities Financing Authority [Member] City of Los Angeles CA Wastewater System Revenue [Member] San Mateo Foster City Public Financing Authority [Member] Desert Community College District [Member] San Diego Unified School District [Member] California Community Choice Financing Authority [Member] East Bay Municipal Utility District Water System Revenue [Member] East Bay Municipal Utility District Water System Revenues [Member] U.S. Government Securities Fund - Investor Shares Bloomberg U.S. Aggregate Bond Index Bloomberg U.S. Treasury Index US Treasury Bonds [Member] GNMA [Member] US Treasury Bills [Member] United States Treasury Note/Bond, 09/30/2029 [Member] United States Treasury Note/Bond, 11/15/2041 [Member] United States Treasury Note/Bond, 04/30/2032 [Member] United States Treasury Note/Bond, 11/15/2054 [Member] United States Treasury Note/Bond, 03/31/2027 [Member] United States Treasury Note/Bond, 08/15/2033 [Member] United States Treasury Note/Bond, 10/31/2030 [Member] United States Treasury Note/Bond, 08/15/2034 [Member] United States Treasury Note/Bond, 08/31/2031 [Member] United States Treasury Note/Bond, 08/15/2045 [Member] U.S. Government Securities Fund - K Shares S&P 500 Index Fund - Investor Shares S&P 500 Index Technology Sector [Member] Consumer, Non-Cyclical Sector [Member] Financial Services Sector [Member] Consumer, Cyclical Sector [Member] Energy Sector [Member] NVIDIA Corp [Member] Apple Inc [Member] Microsoft Corp [Member] Amazon.com Inc [Member] Alphabet Inc - Class A [Member] Broadcom Inc [Member] Alphabet Inc - Class C [Member] Meta Platforms Inc [Member] Micron Technology Inc [Member] Tesla Inc [Member] S&P 500 Index Fund - K Shares S&P MidCap Index Fund - Investor Shares S&P 1500 Index S&P MidCap 400 Index Twilio Inc [Member] United States Treasury Bill [Member] Illumina Inc [Member] TechnipFMC PLC [Member] Everpure Inc [Member] Okta Inc [Member] ATI Inc [Member] nVent Electric PLC [Member] Carpenter Technology Corp [Member] US Foods Holding Corp [Member] S&P MidCap Index Fund - K Shares Shelton Equity Income Fund - Investor Shares CBOE S&P 500 BuyWrite Index Funds [Member] Shelton Equity Premium Income ETF [Member] The Goldman Sachs Group Inc [Member] Arista Networks Inc [Member] Shelton Equity Income Fund - K Shares S&P SmallCap Index Fund - Investor Shares S&P SmallCap 600 Index Corcept Therapeutics Inc [Member] Glaukos Corp [Member] Paycom Software Inc [Member] Brinker International Inc [Member] Match Group Inc [Member] Jackson Financial Inc [Member] Viasat Inc [Member] Protagonist Therapeutics Inc [Member] CarMax Inc [Member] S&P SmallCap Index Fund - K Shares Nasdaq-100 Index Fund - Investor Shares Nasdaq-100 Index Advanced Micro Devices Inc [Member] Nasdaq-100 Index Fund - K Shares Nasdaq-100 Index Fund - Institutional Shares Shelton Sustainable Equity Fund - Investor Shares Ormat Technologies Inc [Member] Gaztransport Et Technigaz SA [Member] Siemens AG [Member] Deere & Co [Member] First Solar Inc [Member] Aramark [Member] HA Sustainable Infrastructure Capital Inc [Member] Bunge Global SA [Member] CF Industries Holdings Inc [Member] Schneider Electric SE [Member] Shelton Sustainable Equity Fund - Institutional Shares The United States Treasury Trust - Investor Shares United States Treasury Bill, 10/06/2026 [Member] United States Treasury Bill, 10/20/2026 [Member] United States Treasury Bill, 10/01/2026 [Member] United States Treasury Bill, 10/15/2026 [Member] United States Treasury Bill, 09/17/2026 [Member] United States Treasury Bill, 11/03/2026 [Member] United States Treasury Bill, 10/27/2026 [Member] United States Treasury Bill, 09/10/2026 [Member] United States Treasury Bill, 09/24/2026 [Member] United States Treasury Bill, 11/19/2026 [Member] Green California Tax-Free Income Fund - Investor Shares U.S. Government Securities Fund - Investor Shares U.S. Government Securities Fund - K Shares S&P 500 Index Fund - Investor Shares S&P 500 Index Fund - K Shares S&P MidCap Index Fund - Investor Shares S&P MidCap Index Fund - K Shares Shelton Equity Income Fund - Investor Shares Shelton Equity Income Fund - K Shares S&P SmallCap Index Fund - Investor Shares S&P SmallCap Index Fund - K Shares Nasdaq-100 Index Fund - Investor Shares Nasdaq-100 Index Fund - K Shares Nasdaq-100 Index Fund - Institutional Shares Shelton Sustainable Equity Fund - Investor Shares Shelton Sustainable Equity Fund - Institutional Shares The United States Treasury Trust - Investor Shares Bloomberg U.S. Municipal Index Long Term Securities Member. VR Demand Notes. California Educational Facilities Authority. San Jose Financing Authority. San Diego Public Facilities Financing Authority. City of Los Angeles CA Wastewater System Revenue. San Mateo Foster City Public Financing Authority. Desert Community College District. San Diego Unified School District. California Community Choice Financing Authority. East Bay Municipal Utility District Water System Revenue. Bloomberg U.S. Aggregate Bond Index. Bloomberg U.S. Treasury Index. US Treasury Bonds. GNMA. US Treasury Bills. United States Treasury Note/Bond, 09/30/2029. United States Treasury Note/Bond, 11/15/2041. United States Treasury Note/Bond, 04/30/2032. United States Treasury Note/Bond, 11/15/2054. United States Treasury Note/Bond, 03/31/2027. United States Treasury Note/Bond, 08/15/2033. United States Treasury Note/Bond, 10/31/2030. United States Treasury Note/Bond, 08/15/2034. United States Treasury Note/Bond, 08/31/2031. United States Treasury Note/Bond, 08/15/2045. S&P 500 Index. Consumer, Non-Cyclical. Consumer, Cyclical. NVIDIA Corp. Apple Inc. Microsoft Corp. Amazon.com Inc. Alphabet Inc - Class A. Alphabet Inc - Class C. Meta Platforms Inc. Micron Technology Inc. Tesla Inc. S&P 1500 Index. S&P MidCap 400 Index. Ormat Technologies Inc. Twilio Inc. United States Treasury Bill. Illumina Inc. TechnipFMC PLC. Everpure Inc. Okta Inc. ATI Inc. nVent Electric PLC. Carpenter Technology Corp. US Foods Holding Corp. Nasdaq-100 Index. CBOE S&P 500 BuyWrite Index. Funds. Shelton Equity Premium Income ETF. The Goldman Sachs Group Inc. Arista Networks Inc. United States Treasury Bill, 10/06/2026. United States Treasury Bill, 10/20/2026. United States Treasury Bill, 10/01/2026. United States Treasury Bill, 10/15/2026. United States Treasury Bill, 09/17/2026. United States Treasury Bill, 11/03/2026. United States Treasury Bill, 10/27/2026. United States Treasury Bill, 09/10/2026. United States Treasury Bill, 09/24/2026. United States Treasury Bill, 11/19/2026. Gaztransport Et Technigaz SA. Siemens AG. Deere & Co. First Solar Inc. Aramark. HA Sustainable Infrastructure Capital Inc. Bunge Global SA. CF Industries Holdings Inc. Schneider Electric SE. Advanced Micro Devices Inc. Broadcom Inc. S&P SmallCap 600 Index. Corcept Therapeutics Inc. Glaukos Corp. Paycom Software Inc. Brinker International Inc. Match Group Inc. Jackson Financial Inc. Viasat Inc. Protagonist Therapeutics Inc. CarMax Inc. East Bay Municipal Utility District Water System Revenue. Net Assets Investment Company, Portfolio Turnover