Schedule of Segment Reporting Information, by Segment | Fastener Assembly Equipment Other Consolidated Three Months Ended March 31, 2019: Net sales $ 7,579,120 $ 1,042,558 0 $ 8,621,678 Depreciation 297,723 28,924 9,742 336,389 Segment operating profit 588,895 336,074 0 924,969 Selling and administrative expenses 0 0 (593,402) (593,402) Interest income 0 0 36,275 36,275 Income before income taxes $ 367,842 Capital expenditures 756,107 124,000 26,025 906,132 Segment assets: Accounts receivable, net 5,500,631 453,843 0 5,954,474 Inventories, net 5,831,166 1,001,293 0 6,832,459 Property, plant and equipment, net 11,184,576 1,674,573 968,740 13,827,889 Other assets 0 0 6,192,967 6,192,967 $ 32,807,789 Three Months Ended March 31, 2018: Net sales $ 8,925,099 $ 1,086,542 0 $ 10,011,641 Depreciation 291,881 27,298 7,341 326,520 Segment operating profit 1,177,462 384,185 0 1,561,647 Selling and administrative expenses 0 0 (676,939) (676,939) Interest income 0 0 27,080 27,080 Income before income taxes $ 911,788 Capital expenditures 184,227 31,495 10,705 226,427 Segment assets: Accounts receivable, net 6,420,410 334,095 0 6,754,505 Inventories, net 3,658,938 937,740 0 4,596,678 Property, plant and equipment, net 10,175,256 1,646,752 634,852 12,456,860 Other assets 0 0 8,798,774 8,798,774 $ 32,606,817 |