BALANCE SHEETS - USD ($) | Sep. 30, 2017 | Dec. 31, 2016 |
Current Assets | | |
Cash | $ 1,056,491 | $ 730,352 |
Accounts receivable, less allowance for doubtful accounts of $15,000 | 233,949 | 271,832 |
Inventories | 869,265 | 376,561 |
Prepaid expenses | 70,587 | 59,203 |
Total current assets | 2,230,292 | 1,437,948 |
Property and Equipment, at cost | | |
Machinery and equipment | 7,821,092 | 7,645,043 |
Furniture and fixtures | 131,705 | 130,027 |
Leasehold improvements | 329,904 | 329,904 |
Construction in progress | 0 | 51,775 |
Property, Plant and Equipment, Gross | 8,282,701 | 8,156,749 |
Less accumulated depreciation | (6,308,844) | (6,019,844) |
Property, Plant and Equipment, Net | 1,973,857 | 2,136,905 |
Other Assets | | |
Other Assets | 49,672 | 50,620 |
TOTAL ASSETS | 4,253,821 | 3,625,473 |
Current Liabilities | | |
Capital lease obligations, current portion | 132,657 | 121,383 |
Notes payable, current portion | 182,829 | 172,408 |
Accounts payable | 177,396 | 151,757 |
Customer deposits | 868,193 | 249,977 |
Accrued compensation | 49,611 | 89,826 |
Accrued expenses and other | 122,606 | 120,943 |
Total current liabilities | 1,533,292 | 906,294 |
Capital lease obligations, net of current portion | 213,938 | 225,944 |
Notes payable, net of current portion | 81,889 | 221,105 |
Total liabilities | 1,829,119 | 1,353,343 |
Commitments and contingencies | | |
Shareholders' Equity | | |
Convertible preferred stock, Series B, 10% cumulative, nonvoting, no par value, $10 stated value, optional redemption at 103%; optional shareholder conversion 2 shares for 1; 24,152 shares issued and outstanding | 508,400 | 490,286 |
Common stock, no par value, authorized 15,000,000 shares; 4,157,413 and 4,090,804 shares issued and outstanding, respectively | 10,108,807 | 10,049,823 |
Additional paid-in capital | 2,265,490 | 2,193,536 |
Accumulated deficit | (10,457,995) | (10,461,515) |
Total shareholders' equity | 2,424,702 | 2,272,130 |
TOTAL LIABILITIES AND SHAREHOLDERS' EQUITY | $ 4,253,821 | $ 3,625,473 |