Quarterly report pursuant to Section 13 or 15(d)

Stock Warrants (Changes in Warrants) (Detail)

v3.19.1
Stock Warrants (Changes in Warrants) (Detail)
3 Months Ended
Mar. 31, 2019
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Class Of Warrant Or Right [Line Items]  
Warrants Outstanding at December 31, 2018 2,233,062
Exercised During the Period 0
Issued During the Period 0
Expired During the Period (1,200,000)
Warrants Outstanding at March 31, 2019 1,033,062