CONDENSED SCHEDULE OF INVESTMENTS - Fixed Income Investments (Unaudited) - USD ($)		9 Months Ended	12 Months Ended
		Sep. 30, 2019	Dec. 31, 2018
Value		$ 11,241,680	$ 15,754,973
At Cost		11,241,705	15,755,364
Fixed Income Investments [Member]
Value		$ 11,241,680	$ 15,754,973
% of Partners Capital		93.64%	77.42%
At Cost		$ 11,241,705	$ 15,755,364
Fixed Income Investments [Member] | US Government Agency Bonds and Notes [Member]
Value		$ 6,338,911	$ 9,735,119
% of Partners Capital		52.80%	47.84%
At Cost		$ 6,338,738	$ 9,734,853
Fixed Income Investments [Member] | US Government Agency Bonds and Notes [Member] | Federal Home Loan Bank Disc Note, 1.59% [Member]
Face Value		1,341,000
Value		$ 1,341,000
% of Partners Capital		11.17%
Maturity Date		Oct. 01, 2019
Interest Rate/Yield	[1]	1.59%
Fixed Income Investments [Member] | US Government Agency Bonds and Notes [Member] | Federal Home Loan Bank Disc Note, 2.04% [Member]
Face Value		$ 5,000,000
Value		$ 4,997,911
% of Partners Capital		41.63%
Maturity Date		Oct. 09, 2019
Interest Rate/Yield	[1]	2.04%
Fixed Income Investments [Member] | US Government Agency Bonds and Notes [Member] | Federal Farm Credit Bank Disc Note, 2.18% [Member]
Face Value			4,738,000
Value			$ 4,737,434
% of Partners Capital			23.28%
Maturity Date			Jan. 02, 2019
Interest Rate/Yield	[1]		2.18%
Fixed Income Investments [Member] | US Government Agency Bonds and Notes [Member] | Federal Home Loan Bank Disc Note, 2.36%
Face Value			$ 5,000,000
Value			$ 4,997,685
% of Partners Capital			24.56%
Maturity Date			Jan. 09, 2019
Interest Rate/Yield	[1]		2.36%
Fixed Income Investments [Member] | Certificates of Deposit [Member]
Value		$ 1,149,977	$ 836,001
% of Partners Capital		9.58%	4.11%
At Cost		$ 1,150,000	$ 836,000
Fixed Income Investments [Member] | Certificates of Deposit [Member] | Banco del Estado de Chile, 2.03% [Member]
Face Value		350,000
Value		$ 349,994
% of Partners Capital		2.92%
Maturity Date		Oct. 11, 2019
Interest Rate/Yield	[1]	2.03%
Fixed Income Investments [Member] | Certificates of Deposit [Member] | Sumitomo Mitsui Banking Corporation, 1.95% [Member]
Face Value		$ 337,000
Value		$ 336,988
% of Partners Capital		2.81%
Maturity Date		Oct. 16, 2019
Interest Rate/Yield	[1]	1.95%
Fixed Income Investments [Member] | Certificates of Deposit [Member] | Sumitomo Mitsui Trust Ban Ltd Note 2.02%Member
Face Value		$ 225,000
Value		$ 225,001
% of Partners Capital		1.87%
Maturity Date		Oct. 16, 2019
Interest Rate/Yield	[1]	2.02%
Fixed Income Investments [Member] | Certificates of Deposit [Member] | The Chiba Bank Ltd., 2.04% [Member]
Face Value		$ 238,000
Value		$ 237,994
% of Partners Capital		1.98%
Maturity Date		Oct. 11, 2019
Interest Rate/Yield	[1]	2.04%
Fixed Income Investments [Member] | Certificates of Deposit [Member] | Cedar Springs Capital Company LLC, 2.01% [Member]
Face Value		$ 462,000
Value		$ 462,000
% of Partners Capital		3.85%
Maturity Date		Oct. 01, 2019
Interest Rate/Yield	[1]	2.01%
Fixed Income Investments [Member] | Certificates of Deposit [Member] | Banco del Estado de Chile, 2.32% [Member]
Face Value			521,000
Value			$ 520,993
% of Partners Capital			2.56%
Maturity Date			Jan. 04, 2019
Interest Rate/Yield	[1]		2.32%
Fixed Income Investments [Member] | Certificates of Deposit [Member] | The Chiba Bank Ltd 2.53% [Member]
Face Value			$ 315,000
Value			$ 315,008
% of Partners Capital			1.55%
Maturity Date			Jan. 11, 2019
Interest Rate/Yield	[1]		2.53%
Fixed Income Investments [Member] | Corporate Notes [Member]
Value		$ 3,752,792	$ 5,183,853
% of Partners Capital		31.26%	25.47%
At Cost		$ 3,752,967	$ 5,184,511
Fixed Income Investments [Member] | Corporate Notes [Member] | Bank of Montreal, 2.01%[Member]
Face Value		338,000
Value		$ 337,667
% of Partners Capital		2.81%
Maturity Date		Oct. 18, 2019
Interest Rate/Yield	[1]	2.01%
Fixed Income Investments [Member] | Corporate Notes [Member] | Bridgestone Americas, Inc., 1.91% [Member]
Face Value		$ 462,000
Value		$ 462,000
% of Partners Capital		3.85%
Maturity Date		Oct. 01, 2019
Interest Rate/Yield	[1]	1.91%
Fixed Income Investments [Member] | Corporate Notes [Member] | Canadian Imperial Holdings, Inc., 1.98% [Member]
Face Value		$ 338,000
Value		$ 337,543
% of Partners Capital		2.81%
Maturity Date		Oct. 23, 2019
Interest Rate/Yield	[1]	1.98%
Fixed Income Investments [Member] | Corporate Notes [Member] | Chevron Coporation, 2.06% [Member]
Face Value		$ 445,000
Value		$ 444,591
% of Partners Capital		3.71%
Maturity Date		Oct. 16, 2019
Interest Rate/Yield	[1]	2.06%
Fixed Income Investments [Member] | Corporate Notes [Member] | Exxon Mobil Corp Disc Note, 2.04% [Member]
Face Value		$ 358,000
Value		$ 357,955
% of Partners Capital		2.98%
Maturity Date		Oct. 02, 2019
Interest Rate/Yield	[1]	2.04%
Fixed Income Investments [Member] | Corporate Notes [Member] | The Bank of New York Mellon Corporation, 1.91% [Member]
Face Value		$ 462,000
Value		$ 462,000
% of Partners Capital		3.85%
Maturity Date		Oct. 01, 2019
Interest Rate/Yield	[1]	1.91%
Fixed Income Investments [Member] | Corporate Notes [Member] | Thunder Bay Funding, LLC, 2.07% [Member]
Face Value		$ 445,000
Value		$ 444,447
% of Partners Capital		3.70%
Maturity Date		Oct. 22, 2019
Interest Rate/Yield	[1]	2.07%
Fixed Income Investments [Member] | Corporate Notes [Member] | Walmart, Inc., 2.01%[Member]
Face Value		$ 445,000
Value		$ 444,589
% of Partners Capital		3.70%
Maturity Date		Oct. 16, 2019
Interest Rate/Yield	[1]	2.01%
Fixed Income Investments [Member] | Corporate Notes [Member] | Apple Inc., 2.52% [Member]
Face Value			473,000
Value			$ 472,902
% of Partners Capital			2.32%
Maturity Date			Jan. 03, 2019
Interest Rate/Yield	[1]		2.52%
Fixed Income Investments [Member] | Corporate Notes [Member] | Automatic Data Processing, Inc., 2.38% [Member]
Face Value			$ 680,000
Value			$ 679,955
% of Partners Capital			3.34%
Maturity Date			Jan. 02, 2019
Interest Rate/Yield	[1]		2.38%
Fixed Income Investments [Member] | Corporate Notes [Member] | Banco del Estado de Chile, 2.39% [Member]
Face Value			$ 250,000
Value			$ 249,983
% of Partners Capital			1.23%
Maturity Date			Jan. 02, 2019
Interest Rate/Yield	[1]		2.39%
Fixed Income Investments [Member] | Corporate Notes [Member] | Canadian Imperial Holdings, Inc., 2.48% [Member]
Face Value			$ 474,000
Value			$ 473,415
% of Partners Capital			2.33%
Maturity Date			Jan. 18, 2019
Interest Rate/Yield	[1]		2.48%
Fixed Income Investments [Member] | Corporate Notes [Member] | Cedar Springs Capital Company LLC, 2.50% [Member]
Face Value			$ 500,000
Value			$ 499,965
% of Partners Capital			2.46%
Maturity Date			Jan. 02, 2019
Interest Rate/Yield	[1]		2.50%
Fixed Income Investments [Member] | Corporate Notes [Member] | Exxon Mobil Corp Disc Note, 2.43% [Member]
Face Value			$ 473,000
Value			$ 472,874
% of Partners Capital			2.32%
Maturity Date			Jan. 04, 2019
Interest Rate/Yield	[1]		2.43%
Fixed Income Investments [Member] | Corporate Notes [Member] | IBM Credit LLC, 2.42% [Member]
Face Value			$ 316,000
Value			$ 315,681
% of Partners Capital			1.55%
Maturity Date			Jan. 15, 2019
Interest Rate/Yield	[1]		2.42%
Fixed Income Investments [Member] | Corporate Notes [Member] | MetLife Short Term Funding LLC, 2.50% [Member]
Face Value			$ 473,000
Value			$ 472,476
% of Partners Capital			2.32%
Maturity Date			Jan. 16, 2019
Interest Rate/Yield	[1]		2.50%
Fixed Income Investments [Member] | Corporate Notes [Member] | PACCAR Financial Corporation, 2.40% [Member]
Face Value			$ 348,000
Value			$ 347,932
% of Partners Capital			1.71%
Maturity Date			Jan. 03, 2019
Interest Rate/Yield	[1]		2.40%
Fixed Income Investments [Member] | Corporate Notes [Member] | Thunder Bay Funding, LLC, 2.52% [Member]
Face Value			$ 600,000
Value			$ 599,373
% of Partners Capital			2.95%
Maturity Date			Jan. 15, 2019
Interest Rate/Yield	[1]		2.52%
Fixed Income Investments [Member] | Corporate Notes [Member] | Wal-Mart Stores, Inc., 2.50% [Member]
Face Value			$ 600,000
Value			$ 599,297
% of Partners Capital			2.94%
Maturity Date			Jan. 17, 2019
Interest Rate/Yield	[1]		2.50%

[1] The rate reported is the effective yield at time of purchase.