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Intangible property (Tables)
12 Months Ended
Jun. 30, 2019
Goodwill and Intangible Assets Disclosure [Abstract]  
Schedule of intangible property

 

 

June 30,

2019

 

 

June 30,

2018

 

 

 

 

 

 

 

 

Patents

 

$2,440,000

 

 

$2,440,000

 

Computer software

 

 

116,176

 

 

 

116,176

 

Print Mates patents, trademark and software

 

 

757,535

 

 

 

-

 

 

 

 

3,313,711

 

 

 

2,556,176

 

Accumulated amortization

 

 

(1,075,666)

 

 

(686,052)

 

 

$2,238,045

 

 

$1,870,124