Consolidated Balance Sheets (unaudited) (USD $)	Jun. 30, 2012	Dec. 31, 2011
Current assets:
Cash and cash equivalents	$ 3,788,173	$ 3,196,831
Short-term investments	5,000,000	5,000,000
Accounts receivable, net	2,820,845	3,236,917
Income tax receivable	51,070	244,720
Deferred tax assets	826,534	1,309,801
Prepaid expenses and other current assets	219,481	98,234
Total current assets	12,706,103	13,086,503
Deferred royalty buy-down	2,750,000	1,250,000
Deferred tax assets - long term	1,805,366	1,738,154
Patent costs, net	225,193	190,416
Total assets	17,486,662	16,265,073
Current liabilities:
Accounts payable and accrued expenses	659,764	601,002
Accrued tax liability	102,471	0
Deferred revenue	253,115	437,099
Accrued liabilities of discontinued operations	78,138	78,138
Total current liabilities	1,093,488	1,116,239
Long-term deferred revenue	241,955	276,520
Stockholders' equity:
Series A Preferred stock, $.50 par value, 700,000 shares authorized; none outstanding	0	0
Common stock, $.001 par value; 10,000,000 shares authorized ; 6,554,743 and 6,530,743 shares issued at June 30, 2012 and December 31, 2011, respectively	6,555	6,531
Additional paid-in capital	20,404,909	20,049,196
Accumulated deficit	(1,882,832)	(3,291,904)
Treasury stock, 223,191 and 194,604 shares at cost at June 30, 2012 and December 31, 2011, respectively	(2,377,413)	(1,891,509)
Total stockholders' equity	16,151,219	14,872,314
Total liabilities and stockholders' equity	$ 17,486,662	$ 16,265,073