STATEMENT OF SHAREHOLDERS' DEFICIENCY (USD $)	6 Months Ended		12 Months Ended				6 Months Ended	12 Months Ended	6 Months Ended	12 Months Ended
	Jun. 30, 2012	Jun. 30, 2012 Common Stock	Dec. 31, 2011 Common Stock	Jun. 30, 2012 Preferred Stock	Dec. 31, 2011 Preferred Stock	Dec. 31, 2010 Preferred Stock	Jun. 30, 2012 Paid-In Capital	Dec. 31, 2011 Paid-In Capital	Jun. 30, 2012 Accumulated Deficiency	Dec. 31, 2011 Accumulated Deficiency
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balance at	$ (13,545,770)	$ 13,043	$ 13,092	$ 97,334	$ 97,334	$ 97,334	$ 70,842,537	$ 71,344,241	$ (84,498,684)	$ (72,466,080)
Shares balance at (in shares)		13,042,313	13,091,507	9,733,531	9,733,531	9,733,531
Earned portion of share-based compensation							312,564	427,771
Purchases of treasury shares (in shares)		(158,347)	(259,355)
Purchases of treasury shares, amount		(159)	(259)				(386,042)	(637,784)
Exercise of employee options (in shares)		3,517	210,161
Exercise of employee options		3	210				(5,523)	(291,691)
Exercise of investor warrants	17
Exercise of investor warrants (in shares)	16,972
Net (loss)									(5,363,549)	(12,032,604)
Shares balance at (in shares)		12,904,455	13,042,313	9,733,531	9,733,531	9,733,531
Balance at	$ (18,988,459)	$ 12,904	$ 13,043	$ 97,334	$ 97,334	$ 97,334	$ 70,763,536	$ 70,842,537	$ (89,862,233)	$ (84,498,684)