XML 14 R3.htm IDEA: XBRL DOCUMENT v3.6.0.2
Statements of Operations (Unaudited) - USD ($)
3 Months Ended 6 Months Ended
Nov. 30, 2016
Nov. 30, 2015
Nov. 30, 2016
Nov. 30, 2015
Income Statement [Abstract]        
Sales, net $ 7,807,465 $ 8,819,548 $ 13,563,178 $ 18,292,962
Cost of goods sold 5,061,495 5,824,754 9,369,084 11,922,880
Gross profit 2,745,970 2,994,794 4,194,094 6,370,082
Selling, general and administrative expenses 1,373,726 1,576,225 2,555,700 3,403,214
Operating income 1,372,244 1,418,569 1,638,394 2,966,868
Other income,  net 26,036 6,089 35,720 9,439
Income before provision for income taxes 1,398,280 1,424,658 1,674,114 2,976,307
Provision for income taxes 460,000 500,000 526,000 1,042,000
Net income $ 938,280 $ 924,658 $ 1,148,114 $ 1,934,307
Basic and diluted earnings per common share $ 0.27 $ 0.27 $ 0.34 $ 0.57