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Stockholders' Equity (Details 2)
12 Months Ended
Jun. 30, 2018
$ / shares
shares
Options Outstanding 2,991,835
Options Exercisable 2,885,376
Range One [Member]  
Option Exercise Price | $ / shares $ 0.59
Options Outstanding 8,150
Remaining Contractual Life (in years) 4 years
Options Exercisable 8,150
Range Two [Member]  
Option Exercise Price | $ / shares $ 0.60
Options Outstanding 5,000
Remaining Contractual Life (in years) 4 years
Options Exercisable 5,000
Range Three [Member]  
Option Exercise Price | $ / shares $ 0.65
Options Outstanding 6,150
Remaining Contractual Life (in years) 4 years
Options Exercisable 6,150
Range Four [Member]  
Option Exercise Price | $ / shares $ 0.70
Options Outstanding 225,000
Remaining Contractual Life (in years) 7 years 5 months 8 days
Options Exercisable 225,000
Range Five [Member]  
Option Exercise Price | $ / shares $ 0.77
Options Outstanding 59,500
Remaining Contractual Life (in years) 5 years 3 months 4 days
Options Exercisable 59,500
Range Six [Member]  
Option Exercise Price | $ / shares $ 0.80
Options Outstanding 16,000
Remaining Contractual Life (in years) 7 years 1 month 24 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 9 months 22 days
Options Exercisable 25,667
Range Eight [Member]  
Option Exercise Price | $ / shares $ 0.97
Options Outstanding 6,000
Remaining Contractual Life (in years) 4 years
Options Exercisable 6,000
Range Nine [Member]  
Option Exercise Price | $ / shares $ 1.00
Options Outstanding 290,249
Remaining Contractual Life (in years) 2 years 1 month 24 days
Options Exercisable 290,249
Range Ten [Member]  
Option Exercise Price | $ / shares $ 1.02
Options Outstanding 227,000
Remaining Contractual Life (in years) 2 years 5 months 5 days
Options Exercisable 227,000
Range Eleven [Member]  
Option Exercise Price | $ / shares $ 1.05
Options Outstanding 447,529
Remaining Contractual Life (in years) 8 years 1 month 17 days
Options Exercisable 421,695
Range Twelve [Member]  
Option Exercise Price | $ / shares $ 1.07
Options Outstanding 53,898
Remaining Contractual Life (in years) 4 years 3 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) 7 years 5 months 16 days
Options Exercisable 132,540
Range Fourteen [Member]  
Option Exercise Price | $ / shares $ 1.10
Options Outstanding 105,000
Remaining Contractual Life (in years) 7 years 4 days
Options Exercisable 105,000
Range Fifteen [Member]  
Option Exercise Price | $ / shares $ 1.14
Options Outstanding 3,674
Remaining Contractual Life (in years) 4 years
Options Exercisable 3,674
Range Sixteen [Member]  
Option Exercise Price | $ / shares $ 1.15
Options Outstanding 209,400
Remaining Contractual Life (in years) 3 years 3 months 25 days
Options Exercisable 209,400
Range Seventeen [Member]  
Option Exercise Price | $ / shares $ 1.20
Options Outstanding 353,414
Remaining Contractual Life (in years) 9 years 25 days
Options Exercisable 331,414
Range Eighteen [Member]  
Option Exercise Price | $ / shares $ 1.25
Options Outstanding 32,000
Remaining Contractual Life (in years) 4 years 7 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) 3 years 8 months 5 days
Options Exercisable 243,000
Range Twenty [Member]  
Option Exercise Price | $ / shares $ 1.50
Options Outstanding 295,000
Remaining Contractual Life (in years) 4 years 3 months
Options Exercisable 295,000
Range Twenty One [Member]  
Option Exercise Price | $ / shares $ 1.59
Options Outstanding 35,000
Remaining Contractual Life (in years) 9 years 10 months 13 days
Options Exercisable 0
Range Twenty Two [Member]  
Option Exercise Price | $ / shares $ 1.75
Options Outstanding 1,067
Remaining Contractual Life (in years) 4 years
Options Exercisable 1,067
Range Twenty Three [Member]  
Option Exercise Price | $ / shares $ 1.80
Options Outstanding 162,550
Remaining Contractual Life (in years) 4 years 11 months 12 days
Options Exercisable 162,550
Range Twenty Four [Member]  
Option Exercise Price | $ / shares $ 1.85
Options Outstanding 24,000
Remaining Contractual Life (in years) 4 years 7 months 2 days
Options Exercisable 24,000
Range Twenty Five [Member]  
Option Exercise Price | $ / shares $ 1.97
Options Outstanding 1,422
Remaining Contractual Life (in years) 4 years
Options Exercisable 1,422