RESTRICTED CASH AND DUE TO BROKER (Details) - USD ($)	Jun. 30, 2018	Dec. 31, 2017
Restricted cash balance held by:
Due to broker	$ 0	$ (1,123,463)
Restricted cash	7,932,233	11,275,263
Total	7,932,233	10,151,800
Broker counterparties for derivatives trading
Restricted cash balance held by:
Due to broker	0	(1,123,463)
Repurchase counterparties as restricted collateral
Restricted cash balance held by:
Restricted cash	16,722	11,275,263
Collateralized Loan Obligations
Restricted cash balance held by:
Restricted cash	$ 7,915,511	$ 0