CONDENSED SCHEDULE OF INVESTMENTS (Unaudited) - USD ($)		Jun. 30, 2019		Dec. 31, 2018
Investment Owned
Short term investments		$ 7,073		$ 2,208
Net unrealized gain (loss) on open futures contracts		5,758,294		3,422,063
Net unrealized gain (loss) on open forward currency contracts		(1,487,988)		4,676,402
Fixed Income Securities [Member]
Investment Owned
Fair value		$ 150,347,423	[1]	$ 156,131,114	[2]
% of Net Asset Value		81.67%		83.38%
Fixed Income Securities [Member] | Asset Backed Securities [Member]
Investment Owned
Fair value		$ 11,259,623		$ 11,501,171
% of Net Asset Value		6.12%		6.14%
Fixed Income Securities [Member] | Asset Backed Securities [Member] | United States [Member] | Auto Loans [Member]
Investment Owned
Fair value		$ 6,951,776		$ 7,569,517
% of Net Asset Value		3.78%		4.04%
Fixed Income Securities [Member] | Asset Backed Securities [Member] | United States [Member] | Credit Cards [Member]
Investment Owned
Fair value		$ 2,975,524		$ 3,931,654
% of Net Asset Value		1.62%		2.10%
Fixed Income Securities [Member] | Asset Backed Securities [Member] | United States [Member] | Equipment Loans [Member]
Investment Owned
Fair value		$ 614,799
% of Net Asset Value		0.33%
Fixed Income Securities [Member] | Asset Backed Securities [Member] | United States [Member] | Utility Rate Reduction Bonds [Member]
Investment Owned
Fair value		$ 717,524
% of Net Asset Value		0.39%
Fixed Income Securities [Member] | Bank Deposits [Member]
Investment Owned
Fair value		$ 735,367		$ 2,249,220
% of Net Asset Value		0.40%		1.20%
Fixed Income Securities [Member] | Bank Deposits [Member] | United States [Member] | Financials [Member]
Investment Owned
Fair value		$ 735,367		$ 2,249,220
% of Net Asset Value		0.40%		1.20%
Fixed Income Securities [Member] | Commercial Paper [Member]
Investment Owned
Fair value		$ 55,427,807		$ 49,825,892
% of Net Asset Value		30.11%		26.61%
Fixed Income Securities [Member] | Commercial Paper [Member] | Ireland [Member] | Financials [Member]
Investment Owned
Fair value		$ 1,184,762
% of Net Asset Value		0.64%
Fixed Income Securities [Member] | Commercial Paper [Member] | Japan [Member] | Financials [Member]
Investment Owned
Fair value		$ 583,088
% of Net Asset Value		0.32%
Fixed Income Securities [Member] | Commercial Paper [Member] | Switzerland [Member] | Financials [Member]
Investment Owned
Fair value		$ 1,613,505		$ 1,589,640
% of Net Asset Value		0.88%		0.85%
Fixed Income Securities [Member] | Commercial Paper [Member] | United States [Member]
Investment Owned
Fair value		$ 52,046,452		$ 48,236,252
% of Net Asset Value		28.27%		25.76%
Fixed Income Securities [Member] | Commercial Paper [Member] | United States [Member] | Communications [Member]
Investment Owned
Fair value		$ 4,267,367		$ 1,504,169
% of Net Asset Value		2.32%		0.80%
Fixed Income Securities [Member] | Commercial Paper [Member] | United States [Member] | Consumer Discretionary [Member]
Investment Owned
Fair value		$ 6,711,406		$ 5,190,962
% of Net Asset Value		3.65%		2.77%
Fixed Income Securities [Member] | Commercial Paper [Member] | United States [Member] | Consumer Staples [Member]
Investment Owned
Fair value		$ 409,075		$ 8,848,532
% of Net Asset Value		0.22%		4.73%
Fixed Income Securities [Member] | Commercial Paper [Member] | United States [Member] | Energy [Member]
Investment Owned
Fair value		$ 3,794,407
% of Net Asset Value		2.06%
Fixed Income Securities [Member] | Commercial Paper [Member] | United States [Member] | Financials [Member]
Investment Owned
Fair value		$ 15,669,462		$ 10,413,321
% of Net Asset Value		8.51%		5.56%
Fixed Income Securities [Member] | Commercial Paper [Member] | United States [Member] | Industrials [Member]
Investment Owned
Fair value		$ 5,833,216		$ 3,848,945
% of Net Asset Value		3.17%		2.06%
Fixed Income Securities [Member] | Commercial Paper [Member] | United States [Member] | Utilities [Member]
Investment Owned
Fair value		$ 15,361,519		$ 18,430,323
% of Net Asset Value		8.34%		9.84%
Fixed Income Securities [Member] | Corporate Bonds [Member]
Investment Owned
Fair value		$ 52,493,330		$ 61,891,759
% of Net Asset Value		28.51%		33.05%
Fixed Income Securities [Member] | Corporate Bonds [Member] | Australia [Member] | Financials [Member]
Investment Owned
Fair value		$ 968,387		$ 365,276
% of Net Asset Value		0.53%		0.19%
Fixed Income Securities [Member] | Corporate Bonds [Member] | Canada [Member]
Investment Owned
Fair value		$ 4,965,665
% of Net Asset Value		2.70%
Fixed Income Securities [Member] | Corporate Bonds [Member] | Canada [Member] | Financials [Member]
Investment Owned
Fair value		$ 4,049,169		$ 6,261,609
% of Net Asset Value		2.20%		3.34%
Fixed Income Securities [Member] | Corporate Bonds [Member] | Canada [Member] | Industrials [Member]
Investment Owned
Fair value		$ 916,496
% of Net Asset Value		0.50%
Fixed Income Securities [Member] | Corporate Bonds [Member] | Germany [Member] | Consumer Discretionary [Member]
Investment Owned
Fair value		$ 2,302,339
% of Net Asset Value		1.25%
Fixed Income Securities [Member] | Corporate Bonds [Member] | Japan [Member] | Financials [Member]
Investment Owned
Fair value		$ 2,050,022		$ 2,033,119
% of Net Asset Value		1.11%		1.09%
Fixed Income Securities [Member] | Corporate Bonds [Member] | United Kingdom [Member]
Investment Owned
Fair value		$ 3,339,875		$ 4,019,228
% of Net Asset Value		1.81%		2.15%
Fixed Income Securities [Member] | Corporate Bonds [Member] | United Kingdom [Member] | Energy [Member]
Investment Owned
Fair value		$ 249,954		$ 1,199,357
% of Net Asset Value		0.13%		0.64%
Fixed Income Securities [Member] | Corporate Bonds [Member] | United Kingdom [Member] | Financials [Member]
Investment Owned
Fair value		$ 3,089,921		$ 2,819,871
% of Net Asset Value		1.68%		1.51%
Fixed Income Securities [Member] | Corporate Bonds [Member] | United States [Member]
Investment Owned
Fair value		$ 38,867,042		$ 49,212,527
% of Net Asset Value		21.11%		26.28%
Fixed Income Securities [Member] | Corporate Bonds [Member] | United States [Member] | Communications [Member]
Investment Owned
Fair value		$ 3,456,052		$ 7,496,773
% of Net Asset Value		1.88%		4.00%
Fixed Income Securities [Member] | Corporate Bonds [Member] | United States [Member] | Consumer Discretionary [Member]
Investment Owned
Fair value		$ 6,698,698		$ 5,583,595
% of Net Asset Value		3.64%		2.98%
Fixed Income Securities [Member] | Corporate Bonds [Member] | United States [Member] | Consumer Staples [Member]
Investment Owned
Fair value		$ 3,690,774		$ 4,737,658
% of Net Asset Value		2.00%		2.53%
Fixed Income Securities [Member] | Corporate Bonds [Member] | United States [Member] | Energy [Member]
Investment Owned
Fair value		$ 1,322,019		$ 1,317,702
% of Net Asset Value		0.72%		0.70%
Fixed Income Securities [Member] | Corporate Bonds [Member] | United States [Member] | Financials [Member]
Investment Owned
Fair value		$ 17,267,154		$ 23,589,978
% of Net Asset Value		9.38%		12.60%
Fixed Income Securities [Member] | Corporate Bonds [Member] | United States [Member] | Industrials [Member]
Investment Owned
Fair value		$ 2,531,412		$ 1,687,442
% of Net Asset Value		1.37%		0.90%
Fixed Income Securities [Member] | Corporate Bonds [Member] | United States [Member] | Materials [Member]
Investment Owned
Fair value		$ 326,166		$ 323,148
% of Net Asset Value		0.18%		0.17%
Fixed Income Securities [Member] | Corporate Bonds [Member] | United States [Member] | Technology [Member]
Investment Owned
Fair value		$ 2,564,073		$ 4,000,181
% of Net Asset Value		1.39%		2.14%
Fixed Income Securities [Member] | Corporate Bonds [Member] | United States [Member] | Utilities [Member]
Investment Owned
Fair value		$ 1,010,694		$ 476,050
% of Net Asset Value		0.55%		0.26%
Fixed Income Securities [Member] | Government and Agency Obligations [Member]
Investment Owned
Fair value		$ 30,431,296		$ 30,663,072
% of Net Asset Value		16.53%		16.38%
Fixed Income Securities [Member] | Government and Agency Obligations [Member] | United States [Member] | U.S. Treasury Bills [Member] | U.S. Treasury Bills Due 07/18/2019 [Member]
Investment Owned
Fair value	[3]	$ 7,677,669
% of Net Asset Value		4.17%
Fixed Income Securities [Member] | Government and Agency Obligations [Member] | United States [Member] | U.S. Treasury Bills [Member] | U.S. Treasury Bills Due 08/15/2019 [Member]
Investment Owned
Fair value	[3]	$ 13,133,054
% of Net Asset Value		7.13%
Fixed Income Securities [Member] | Government and Agency Obligations [Member] | United States [Member] | U.S. Treasury Bills [Member] | U.S. Treasury Bills Due 09/19/2019 [Member]
Investment Owned
Fair value	[3]	$ 9,620,573
% of Net Asset Value		5.23%
Fixed Income Securities [Member] | Government and Agency Obligations [Member] | United States [Member] | U.S. Treasury Bills [Member] | U.S. Treasury Bills Due 01/17/2019 [Member]
Investment Owned
Fair value	[3]			$ 5,554,640
% of Net Asset Value				2.97%
Fixed Income Securities [Member] | Government and Agency Obligations [Member] | United States [Member] | U.S. Treasury Bills [Member] | U.S. Treasury Bills Due 02/21/2019 [Member]
Investment Owned
Fair value	[3]			$ 14,571,303
% of Net Asset Value				7.78%
Fixed Income Securities [Member] | Government and Agency Obligations [Member] | United States [Member] | U.S. Treasury Bills [Member] | U.S. Treasury Bills Due 03/28/2019 [Member]
Investment Owned
Fair value	[3]			$ 10,537,129
% of Net Asset Value				5.63%
Short Term Investments [Member]
Investment Owned
Short term investments		$ 7,073		$ 2,208
% of Net Asset Value		0.00%		0.00%
Short Term Investments [Member] | Money Market Funds [Member] | United States [Member]
Investment Owned
Short term investments		$ 7,073		$ 2,208
% of Net Asset Value		0.00%		0.00%
Futures Contracts [Member]
Investment Owned
Net unrealized gain (loss) on open futures contracts		$ 5,758,294		$ 3,422,063
% of Net Asset Value		3.13%		1.83%
Futures Contracts [Member] | Long [Member]
Investment Owned
Net unrealized gain (loss) on open futures contracts		$ 6,764,895		$ (244,700)
% of Net Asset Value		3.68%		(0.13%)
Futures Contracts [Member] | Long [Member] | Agriculture [Member]
Investment Owned
Net unrealized gain (loss) on open futures contracts		$ (373,160)		$ 124,980
% of Net Asset Value		(0.20%)		0.07%
Futures Contracts [Member] | Long [Member] | Energy [Member]
Investment Owned
Net unrealized gain (loss) on open futures contracts		$ 503,282		$ (883,950)
% of Net Asset Value		0.28%		(0.47%)
Futures Contracts [Member] | Long [Member] | Metals [Member]
Investment Owned
Net unrealized gain (loss) on open futures contracts		$ (328,123)		$ (1,694,502)
% of Net Asset Value		(0.18%)		(0.91%)
Futures Contracts [Member] | Long [Member] | Stock Indices [Member]
Investment Owned
Net unrealized gain (loss) on open futures contracts		$ 1,358,601		$ (112,136)
% of Net Asset Value		0.74%		(0.06%)
Futures Contracts [Member] | Long [Member] | Short-Term Interest Rates [Member]
Investment Owned
Net unrealized gain (loss) on open futures contracts		$ 2,949,343		$ 1,084,485
% of Net Asset Value		1.60%		0.58%
Futures Contracts [Member] | Long [Member] | Long-Term Interest Rates [Member]
Investment Owned
Net unrealized gain (loss) on open futures contracts		$ 2,654,952		$ 1,236,423
% of Net Asset Value		1.44%		0.66%
Futures Contracts [Member] | Short [Member]
Investment Owned
Net unrealized gain (loss) on open futures contracts		$ (1,006,601)		$ 3,666,763
% of Net Asset Value		(0.55%)		1.96%
Futures Contracts [Member] | Short [Member] | Agriculture [Member]
Investment Owned
Net unrealized gain (loss) on open futures contracts		$ (196,012)		$ 1,771,406
% of Net Asset Value		(0.11%)		0.94%
Futures Contracts [Member] | Short [Member] | Energy [Member]
Investment Owned
Net unrealized gain (loss) on open futures contracts		$ (100,765)		$ 559,274
% of Net Asset Value		(0.05%)		0.30%
Futures Contracts [Member] | Short [Member] | Metals [Member]
Investment Owned
Net unrealized gain (loss) on open futures contracts		$ (442,902)		$ 2,435,221
% of Net Asset Value		(0.24%)		1.30%
Futures Contracts [Member] | Short [Member] | Stock Indices [Member]
Investment Owned
Net unrealized gain (loss) on open futures contracts		$ (53,246)		$ 107,927
% of Net Asset Value		(0.03%)		0.06%
Futures Contracts [Member] | Short [Member] | Short-Term Interest Rates [Member]
Investment Owned
Net unrealized gain (loss) on open futures contracts		$ (30,473)		$ (5,783)
% of Net Asset Value		(0.02%)		0.00%
Futures Contracts [Member] | Short [Member] | Long-Term Interest Rates [Member]
Investment Owned
Net unrealized gain (loss) on open futures contracts		$ (183,203)		$ (1,201,282)
% of Net Asset Value		(0.10%)		(0.64%)
Forward Currency Contracts [Member]
Investment Owned
Net unrealized gain (loss) on open forward currency contracts		$ (1,487,988)		$ 4,676,402
% of Net Asset Value		(0.81%)		2.50%
Forward Currency Contracts [Member] | Long [Member]
Investment Owned
Net unrealized gain (loss) on open forward currency contracts		$ 8,161,940		$ 3,835,197
% of Net Asset Value		4.43%		2.05%
Forward Currency Contracts [Member] | Short [Member]
Investment Owned
Net unrealized gain (loss) on open forward currency contracts		$ (9,649,928)		$ 841,205
% of Net Asset Value		(5.24%)		0.45%

[1] Included in fixed income securities are U.S. Treasury Bills with a fair value of $21,948,564 deposited with the futures brokers and $8,482,732 deposited with the interbank market makers.

[2] Included in fixed income securities are U.S. Treasury Bills with a fair value of $22,932,456 deposited with the futures brokers and $7,730,616 deposited with the interbank market makers.

[3] Pledged as collateral for the trading of futures and forward positions.