Exhibit 12 Statement Re Computation of Ratios This schedule contains financial information extracted from the registrant's audited consolidated financial statements as of and for the twelve months ended December 31, 1997, and is qualified in its entirety by reference to such financial statements: 1997 1996 ----------------------------- Current Ratio: The ratio of current assets divided by current liabilities - Current assets (numerator) 39,574,608 13,886,689 Current liabilities (denominator) 20,112,442 12,214,536 Current ratio 1.97 1.14 Quick Ratio: The ratio of liquid current assets (cash and cash equivalents and accounts receivable and unbilled receivables) divided by current liabilities: Cash and cash equivalents 7,656,850 809,711 Accounts receaivable and unbilled receivables 19,388,007 6,874,808 -------------------------------- Total (numerator) 27,044,857 7,684,519 -------------------------------- Current liabilities (denominator) 20,112,442 12,214,536 Quick ratio 1.34 0.63 Debt to Equity Ratio: The ratio of all debt divided by stockholders' equity Notes payable 4,783,350 3,920,057 Current maturities of long-term debt 842,515 493,060 Long-term liabilities 2,199,837 1,385,602 --------------------------------- Total (numerator) 7,825,702 5,798,719 --------------------------------- Stockholders' equity (denominator) 36,284,629 8,251,816 Debt to equity ratio 0.22 0.70 10-K Page 69