Balance Sheets (USD $)	Sep. 30, 2011	Dec. 31, 2010
ASSETS
Cash and cash equivalents	$ 3,316,440	$ 5,744,322
Investments	30,000	30,000
Trade accounts receivable, less allowance for doubtful accounts of $6,000 on September 30, 2011 and $3,000 on December 31, 2010, respectively	1,092,319	765,250
Other receivables	91,120	14,260
Inventories, net	1,685,023	1,825,882
Prepaid expenses and other current assets	420,209	346,926
Total current assets	6,635,111	8,726,640
Equipment and leasehold improvements, net	3,963,091	4,721,672
Other assets, net	32,941	34,799
Total assets	10,631,143	13,483,111
LIABILITIES AND STOCKHOLDERS' EQUITY
Current portion of capital lease obligations		748
Accounts payable	549,952	918,527
Accrued expenses	459,269	1,047,509
Accrued discount liability	171,560	296,235
Total current liabilities	1,180,781	2,263,019
Long-term deferred rent	644,434	635,523
Asset retirement obligations	146,692	141,407
Total long-term liabilities	791,126	776,930
Contingent liabilities
Stockholders' equity:
Preferred stock, $.01 par value, 24,088 shares authorized and no shares issued and outstanding
Common stock, $.01 par value, 35,000,000 shares authorized; and 21,208,162 and 21,204,162 shares issued and outstanding on September 30, 2011 and December 31, 2010, respectively	212,082	212,042
Additional paid-in capital	92,984,042	92,674,786
Accumulated deficit	(84,536,888)	(82,443,666)
Total stockholders' equity	8,659,236	10,443,162
Total liabilities and stockholders' equity	$ 10,631,143	$ 13,483,111