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Stockholders' Equity (Details 2)
9 Months Ended
Mar. 31, 2019
$ / shares
shares
Options Outstanding 3,465,335
Options Exercisable 2,966,168
Range One [Member]  
Option Exercise Price | $ / shares $ 0.59
Options Outstanding 8,150
Remaining Contractual Life (in years) 3 years 3 months
Options Exercisable 8,150
Range Two [Member]  
Option Exercise Price | $ / shares $ 0.60
Options Outstanding 5,000
Remaining Contractual Life (in years) 3 years 3 months
Options Exercisable 5,000
Range Three [Member]  
Option Exercise Price | $ / shares $ 0.65
Options Outstanding 6,150
Remaining Contractual Life (in years) 3 years 3 months
Options Exercisable 6,150
Range Four [Member]  
Option Exercise Price | $ / shares $ 0.70
Options Outstanding 225,000
Remaining Contractual Life (in years) 6 years 8 months 4 days
Options Exercisable 225,000
Range Five [Member]  
Option Exercise Price | $ / shares $ 0.77
Options Outstanding 59,500
Remaining Contractual Life (in years) 4 years 6 months 3 days
Options Exercisable 59,500
Range Six [Member]  
Option Exercise Price | $ / shares $ 0.80
Options Outstanding 16,000
Remaining Contractual Life (in years) 6 years 4 months 20 days
Options Exercisable 16,000
Range Seven [Member]  
Option Exercise Price | $ / shares $ 0.90
Options Outstanding 25,667
Remaining Contractual Life (in years) 5 years 21 days
Options Exercisable 25,667
Range Eight [Member]  
Option Exercise Price | $ / shares $ 0.97
Options Outstanding 6,000
Remaining Contractual Life (in years) 3 years 3 months
Options Exercisable 6,000
Range Nine [Member]  
Option Exercise Price | $ / shares $ 1.00
Options Outstanding 215,249
Remaining Contractual Life (in years) 9 months
Options Exercisable 215,249
Range Ten [Member]  
Option Exercise Price | $ / shares $ 1.02
Options Outstanding 227,000
Remaining Contractual Life (in years) 1 year 8 months 4 days
Options Exercisable 227,000
Range Eleven [Member]  
Option Exercise Price | $ / shares $ 1.05
Options Outstanding 422,529
Remaining Contractual Life (in years) 7 years 4 months 9 days
Options Exercisable 416,362
Range Twelve [Member]  
Option Exercise Price | $ / shares $ 1.07
Options Outstanding 53,898
Remaining Contractual Life (in years) 3 years 6 months 18 days
Options Exercisable 53,898
Range Thirteen [Member]  
Option Exercise Price | $ / shares $ 1.09
Options Outstanding 156,165
Remaining Contractual Life (in years) 6 years 8 months 15 days
Options Exercisable 156,165
Range Fourteen [Member]  
Option Exercise Price | $ / shares $ 1.10
Options Outstanding 105,000
Remaining Contractual Life (in years) 6 years 3 months
Options Exercisable 105,000
Range Fifteen [Member]  
Option Exercise Price | $ / shares $ 1.14
Options Outstanding 3,674
Remaining Contractual Life (in years) 3 years 3 months
Options Exercisable 3,674
Range Sixteen [Member]  
Option Exercise Price | $ / shares $ 1.15
Options Outstanding 209,400
Remaining Contractual Life (in years) 2 years 6 months 25 days
Options Exercisable 209,400
Range Seventeen [Member]  
Option Exercise Price | $ / shares $ 1.20
Options Outstanding 352,414
Remaining Contractual Life (in years) 8 years 3 months 29 days
Options Exercisable 341,414
Range Eighteen [Member]  
Option Exercise Price | $ / shares $ 1.25
Options Outstanding 32,000
Remaining Contractual Life (in years) 3 years 10 months 17 days
Options Exercisable 32,000
Range Nineteen [Member]  
Option Exercise Price | $ / shares $ 1.30
Options Outstanding 243,000
Remaining Contractual Life (in years) 2 years 11 months 4 days
Options Exercisable 243,000
Range Twenty [Member]  
Option Exercise Price | $ / shares $ 1.50
Options Outstanding 195,000
Remaining Contractual Life (in years) 3 years 7 months 17 days
Options Exercisable 195,000
Range Twenty One [Member]  
Option Exercise Price | $ / shares $ 1.59
Options Outstanding 35,000
Remaining Contractual Life (in years) 9 years 1 month 13 days
Options Exercisable 0
Range Twenty Two [Member]  
Option Exercise Price | $ / shares $ 1.75
Options Outstanding 1,067
Remaining Contractual Life (in years) 3 years 3 months
Options Exercisable 1,067
Range Twenty Three [Member]  
Option Exercise Price | $ / shares $ 1.80
Options Outstanding 140,050
Remaining Contractual Life (in years) 4 years 1 month 24 days
Options Exercisable 140,050
Range Twenty Four [Member]  
Option Exercise Price | $ / shares $ 1.85
Options Outstanding 24,000
Remaining Contractual Life (in years) 3 years 10 months 2 days
Options Exercisable 24,000
Range Twenty Five [Member]  
Option Exercise Price | $ / shares $ 1.95
Options Outstanding 295,000
Remaining Contractual Life (in years) 9 years 3 months 7 days
Options Exercisable 0
Range Twenty Six [Member]  
Option Exercise Price | $ / shares $ 1.97
Options Outstanding 1,422
Remaining Contractual Life (in years) 3 years 3 months
Options Exercisable 1,422
Range Twenty Seven [Member]  
Option Exercise Price | $ / shares $ 2.40
Options Outstanding 402,000
Remaining Contractual Life (in years) 9 years 7 months 17 days
Options Exercisable 250,000