Quarterly report pursuant to Section 13 or 15(d)

CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) (Parenthetical)

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CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) (Parenthetical) - USD ($)
Jan. 31, 2018
Jan. 31, 2017
Statement of Cash Flows [Abstract]    
Cash $ 4,197,235 $ 3,803,080
Restricted cash 192,692 190,506
Total cash and restricted cash $ 4,389,927 $ 3,993,586