Schedule of Segment Reporting Information, by Segment | Fastener Assembly Equipment Other Consolidated Three Months Ended September 30, 2018: Net sales $ 7,936,798 $ 919,251 0 $ 8,856,049 Depreciation 281,418 28,358 9,869 319,645 Segment operating profit 599,188 297,009 0 896,197 Selling and administrative expenses 0 0 (563,347) (563,347) Interest income 0 0 30,899 30,899 Income before income taxes $ 363,749 Capital expenditures 813,649 5,489 187,598 1,006,736 Segment assets: Accounts receivable, net 5,961,946 540,428 0 6,502,374 Inventories, net 4,226,263 1,028,070 0 5,254,333 Property, plant and equipment, net 10,696,801 1,596,585 932,839 13,226,225 Other assets 0 0 8,446,731 8,446,731 $ 33,429,663 Three Months Ended September 30, 2017: Net sales $ 7,486,193 $ 900,563 0 $ 8,386,756 Depreciation 275,820 24,390 8,970 309,180 Segment operating profit 768,247 317,602 0 1,085,849 Selling and administrative expenses 0 0 (603,809) (603,809) Interest income 0 0 18,795 18,795 Income before income taxes $ 500,835 Capital expenditures 263,563 8,325 0 271,888 Segment assets: Accounts receivable, net 5,576,022 295,070 0 5,871,092 Inventories, net 4,134,219 953,898 0 5,088,117 Property, plant and equipment, net 10,409,913 1,613,245 576,099 12,599,257 Other assets 0 0 8,452,225 8,452,225 $ 32,010,691 Nine Months Ended September 30, 2018: Net sales $ 25,896,172 $ 2,764,302 0 $ 28,660,474 Depreciation 865,677 82,954 24,551 973,182 Segment operating profit 3,006,367 930,570 0 3,936,937 Selling and administrative expenses 0 0 (1,831,926) (1,831,926) Interest income 0 0 84,618 84,618 Income before income taxes $ 2,189,629 Capital expenditures 1,279,568 36,984 325,902 1,642,454 Nine Months Ended September 30, 2017: Net sales $ 24,319,725 $ 2,985,866 0 $ 27,305,591 Depreciation 822,267 73,170 26,910 922,347 Segment operating profit 2,716,020 1,089,089 0 3,805,109 Selling and administrative expenses 0 0 (1,911,509) (1,911,509) Interest income 0 0 49,512 49,512 Income before income taxes $ 1,943,112 Capital expenditures 949,333 121,713 0 1,071,046 |