• Filing Date: 2019-07-11
  • Form Type: 10-K
  • Description: Annual report
v3.19.2
Schedule of Stockholders' Equity Note, Warrants or Rights, Activity (Details) - $ / shares
12 Months Ended
Sep. 04, 2015
Apr. 30, 2019
Apr. 30, 2018
Class of Warrant or Right, Outstanding, Beginning of Period   0 146,500
Class of Warrant or Right, Outstanding, Weighted Average Exercise Price, Beginning of Period   $ 0 $ 7.50
Class of Warrant or Right, Grants in Period, Net of Forfeitures   0 0
Class of Warrant or Right, Grants in Period, Weighted Average Exercise Price $ 7.50 $ 0 $ 0
Class of Warrant or Right, Exercises in Period   0 0
Class of Warrant or Right, Exercises in Period, Weighted Average Exercise Price   $ 0 $ 0
Class of Warrant or Right, Expirations in Period   0 (146,500)
Class of Warrant or Right, Expirations in Period, Weighted Average Exercise Price   $ 0 $ 7.50
Class of Warrant or Right, Outstanding, End of Period   0 0
Class of Warrant or Right, Outstanding, Weighted Average Exercise Price, End of Period   $ 0 $ 0