Quarterly report pursuant to Section 13 or 15(d)

Capital Stock Transactions - Warrants (Details)

v3.7.0.1
Capital Stock Transactions - Warrants (Details) - Warrant liability
3 Months Ended
Jun. 30, 2017
$ / shares
shares
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Outstanding [Roll Forward]  
Beginning (shares) | shares 5,003,813
Issued (shares) | shares 0
Exercised (shares) | shares 0
Expired (shares) | shares (71,428)
Ending (shares) | shares 4,932,385
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Outstanding, Weighted Average Exercise Price [Roll Forward]  
Beginning ($ per share) | $ / shares $ 1.62
Issued ($ per share) | $ / shares 0.00
Exercised ($ per share) | $ / shares 0.00
Expired ($ per share) | $ / shares 3.50
Ending ($ per share) | $ / shares $ 1.59