XML 9 R2.htm IDEA: XBRL DOCUMENT v3.8.0.1
CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE LOSS (UNAUDITED) - USD ($)
3 Months Ended 6 Months Ended
Nov. 30, 2017
Nov. 30, 2016
Nov. 30, 2017
Nov. 30, 2016
Net sales $ 1,613,636 $ 1,432,206 $ 3,058,119 $ 2,842,317
Cost of sales (1,107,445) (875,522) (2,037,357) (1,708,666)
Gross profit 506,191 556,684 1,020,762 1,133,651
Operating Expenses:        
Selling, general and administrative 522,492 475,257 974,506 893,906
Research and development 272,437 300,963 561,022 525,208
Total operating expenses 794,929 776,220 1,535,528 1,419,114
Loss from operations (288,738) (219,536) (514,766) (285,463)
Other Income (Expense):        
Dividend and interest income 20,114 16,829 39,083 27,043
Interest expense (37) (180) (37) (180)
Total other income 20,077 16,649 39,046 26,863
Net loss $ (268,661) $ (202,887) $ (475,720) $ (258,600)
Basic net loss per common share (in Dollars per share) $ (0.03) $ (0.02) $ (0.06) $ (0.03)
Diluted net loss per common share (in Dollars per share) $ (0.03) $ (0.02) $ (0.06) $ (0.03)
Weighted average number of common and common equivalent shares:        
Basic (in Shares) 8,519,784 8,189,066 8,515,499 8,208,672
Diluted (in Shares) 8,519,784 8,189,066 8,515,499 8,208,672
Net loss $ (268,661) $ (202,887) $ (475,720) $ (258,600)
Other comprehensive loss, net of tax:        
Foreign currency translation (4,344) (786) (5,168) (760)
Comprehensive loss $ (273,005) $ (203,673) $ (480,888) $ (259,360)