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ARCOLA REGULATORY REQUIREMENTS	6 Months Ended
ARCOLA REGULATORY REQUIREMENTS	Jun. 30, 2018
Regulatory Capital Requirements [Abstract]
ARCOLA REGULATORY REQUIREMENTS	ARCOLA REGULATORY REQUIREMENTS Arcola is subject to regulations of the securities business that include but are not limited to trade practices, use and safekeeping of funds and securities, capital structure, recordkeeping and conduct of directors, officers and employees. As a self-clearing, registered broker dealer, Arcola is required to maintain minimum net capital by FINRA. At June 30, 2018 Arcola had a minimum net capital requirement of $0.3 million. Arcola consistently operates with capital in excess of its regulatory capital requirements. Arcola’s regulatory net capital as defined by SEC Rule 15c3-1, at June 30, 2018 was $389.5 million with excess net capital of $389.2 million.