Schedule of Segment Reporting Information, by Segment | Fastener Assembly Equipment Other Consolidated Three Months Ended June 30, 2019: Net sales $ 7,816,704 $ 1,058,747 0 $ 8,875,451 Depreciation 305,082 31,453 9,743 346,278 Segment operating profit 487,305 315,802 0 803,107 Selling and administrative expenses 0 0 (548,052) (548,052) Interest income 0 0 35,504 35,504 Income before income taxes $ 290,559 Capital expenditures 284,573 102,324 0 386,897 Segment assets: Accounts receivable, net 5,426,139 361,216 0 5,787,355 Inventories, net 4,996,608 1,102,215 0 6,098,823 Property, plant and equipment, net 11,164,067 1,745,444 958,997 13,868,508 Other assets 0 0 7,002,868 7,002,868 $ 32,757,554 Three Months Ended June 30, 2018: Net sales $ 9,034,275 $ 758,509 0 $ 9,792,784 Depreciation 292,378 27,298 7,341 327,017 Segment operating profit 1,229,717 249,376 0 1,479,093 Selling and administrative expenses 0 0 (591,640) (591,640) Interest income 0 0 26,639 26,639 Income before income taxes $ 914,092 Capital expenditures 281,692 0 127,599 409,291 Segment assets: Accounts receivable, net 6,508,150 399,276 0 6,907,426 Inventories, net 4,399,770 1,050,451 0 5,450,221 Property, plant and equipment, net 10,164,570 1,619,454 755,110 12,539,134 Other assets 0 0 8,680,688 8,680,688 $ 33,577,469 Six Months Ended June 30, 2019: Net sales $ 15,395,824 $ 2,101,305 0 $ 17,497,129 Depreciation 602,805 60,377 19,485 682,667 Segment operating profit 1,076,200 651,876 0 1,728,076 Selling and administrative expenses 0 0 (1,141,454) (1,141,454) Interest income 0 0 71,779 71,779 Income before income taxes $ 658,401 Capital expenditures 1,040,680 226,324 26,025 1,293,029 Six Months Ended June 30, 2018: Net sales $ 17,959,374 $ 1,845,051 0 $ 19,804,425 Depreciation 584,259 54,596 14,682 653,537 Segment operating profit 2,407,179 633,561 0 3,040,740 Selling and administrative expenses 0 0 (1,268,579) (1,268,579) Interest income 0 0 53,719 53,719 Income before income taxes $ 1,825,880 Capital expenditures 465,919 31,495 138,304 635,718 |