Statements of Changes in Shareholders' Equity and Redeemable Capital Shares (Unaudited) - USD ($)	Total	Retained Earnings [Member]	Redeemable Capital Shares [Member]
Balance at Dec. 31, 2017	$ 0	$ 0	$ 133,025,963
Redemption of Shares			(3,929,418)
Net Increase (Decrease) due to Share Transactions			(3,929,418)
Distributions	(252,350)	(252,350)
Net Comprehensive Income (Loss)	286,670	286,670
Adjustment of Redeemable Capital Shares to Redemption Value related to Retained Earnings	(34,320)	(34,320)	34,320
Adjustment of Redeemable Capital Shares to Redemption Value			(2,475,241)
Balance at Mar. 31, 2018	0	0	126,655,624
Balance at Dec. 31, 2018	0	0	116,248,970
Purchases of Shares			7,094,912
Redemption of Shares			(17,792,563)
Net Increase (Decrease) due to Share Transactions			(10,697,651)
Distributions	(268,645)	(268,645)
Net Comprehensive Income (Loss)	254,292	254,292
Adjustment of Redeemable Capital Shares to Redemption Value related to Retained Earnings	14,353	14,353	(14,353)
Adjustment of Redeemable Capital Shares to Redemption Value			1,089,807
Balance at Mar. 31, 2019	$ 0	$ 0	$ 106,626,773

Stockholders equity period increase decrease due to share transactions.

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Amount of paid and unpaid common stock dividends declared with the form of settlement in cash.

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The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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The difference between the carrying amount of a financial instrument subject to a registration payment arrangement recorded as temporary equity prior to adoption of FSP EITF 00-19-2 and the carrying amount reclassified to permanent equity upon the adoption of FSP EITF 00-19-2. Recorded as a cumulative effect adjustment to the beginning balance of retained earnings. Does not apply to registration payment arrangements that are no longer outstanding upon adoption of FSP EITF 00-19-2.

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Value of stock issued pursuant to acquisitions during the period.

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Amount of stockholders' equity (deficit), net of receivables from officers, directors, owners, and affiliates of the entity, attributable to both the parent and noncontrolling interests. Amount excludes temporary equity. Alternate caption for the concept is permanent equity.

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Change in the value of each type or class of stock classified as temporary equity during the period. The redemption requirement does not constitute an unconditional obligation that will be settled in a variable number of shares constituting a monetary value predominantly indexed to (a) a fixed monetary amount known at inception, (b) an amount inversely correlated with the residual value of the entity, or (c) an amount determined by reference to something other than the fair value of issuer's stock. Does not include mandatorily redeemable stock. The exception is if redemption is required upon liquidation or termination of the reporting entity.

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