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Equity Incentive Plan (Details) - Equity Option [Member]
3 Months Ended
Sep. 30, 2019
$ / shares
shares
Number of Options  
Number of options outstanding, beginning balance | shares 1,607
Number of options, expired | shares (51)
Number of options outstanding, ending balance | shares 1,556
Number of options, exercisable | shares 1,544
Weighted Average Exercise Price  
Weighted average exercise price, beginning balance | $ / shares $ 325.73
Weighted average exercise price, expired | $ / shares 328.00
Weighted average exercise price, ending balance | $ / shares 325.66
Weighted average exercise price, exercisable | $ / shares $ 325.64
Weighted Average Remaining Contractual Life in Years  
Weighted average remaining contractual life in years, outstanding, beginning balance 6 years 1 month 17 days
Weighted average remaining contractual life in years, outstanding, ending balance 6 years 29 days
Weighted average remaining contractual life in years, exercisable 6 years 29 days