CONDENSED BALANCE SHEETS (USD $)	Jun. 30, 2012	Dec. 31, 2011
Current assets:
Cash and cash equivalents	$ 3,831,625	$ 1,728,222
Accounts receivable from related party	4,916	2,662
Trade accounts receivable	31,238	55,892
Inventory	88,368	107,758
Prepaid expenses	243,596	217,387
Total current assets	4,199,743	2,111,921
Fixed assets, net	183,656	289,011
Intangible assets, net	456,857	514,584
Other assets	38,001	38,001
Total assets	4,878,257	2,953,517
Current liabilities:
Accounts payable	569,108	369,306
Accrued expenses	234,781	182,597
Deferred revenue	970,943	824,845
Notes payable	14,316,255	13,000,000
Total current liabilities	16,091,087	14,376,748
Commitments and contingencies (Note 8)
Stockholders' deficit:
Convertible preferred stock, $0.001 par value - 6,000,000 shares authorized; 5,500,000 and 5,000,000 shares issued and outstanding at June 30, 2012 and December 31, 2011; aggregate liquidation preference of $24,000,000 at June 30, 2012	5,500	5,000
Common stock, $0.001 par value - 100,000,000 shares authorized; 36,761,864 and 36,709,706 shares issued and outstanding at June 30, 2012 and December 31, 2011, respectively	36,762	36,710
Additional paid-in capital	93,966,029	91,111,640
Accumulated deficit	(105,221,121)	(102,576,581)
Total stockholders' deficit	(11,212,830)	(11,423,231)
Total liabilities and stockholders' deficit	$ 4,878,257	$ 2,953,517