Schedule of Debt [Table Text Block] | | | | | | | | U.S. Bank loan payable in monthly installments of $42,500 including interest at 2.98%, paid February 10, 2016 | | $ | - | | | $ | 1,196,088 | | U.S. Bank loan payable in monthly installments of $11,000 including interest at 2.98%, due May 1, 2018 | | | 632,126 | | | | 743,149 | | U.S. Bank loan payable in monthly installments of $12,550 including interest at 2.98%, due May 1, 2018 | | | 715,946 | | | | 842,769 | | U.S. Bank loan payable in monthly installments of $27,800 including interest at 2.98%, due May 1, 2018 | | | 808,096 | | | | 1,112,205 | | U.S. Bank loan payable in monthly installments of $11,700 including interest at 3.15%, due May 10, 2017 | | | 337,147 | | | | 464,605 | | U.S. Bank loan payable in monthly installments of $5,556 including interest at 2.98%, due May 25, 2017 | | | 904,751 | | | | 943,381 | | Iowa Finance Authority loan payable in monthly installments of $12,500 including interest at 2.75%, due June 1, 2020 | | | 512,935 | | | | 647,132 | | | | $ | 3,911,001 | | | $ | 5,949,329 | | Less current portion of term debt | | | 1,807,937 | | | | 1,195,839 | | Term debt of discontinued operations | | | 715,946 | | | | 842,768 | | Term debt, excluding current portion | | $ | 1,387,118 | | | $ | 3,910,722 | | |
Schedule of Maturities of Long-term Debt [Table Text Block] | | | | | | | $ | 1,938,714 | | | | | 1,727,351 | | | | | 145,597 | | | | | 99,339 | | | | | - | | | | $ | 3,911,001 | | |