Consolidated Balance Sheet (USD $)	Dec. 31, 2013	Dec. 31, 2012
Current assets:
Cash and cash equivalents	$ 5,624,860	$ 3,383,737
Short term investments	6,966,964	5,120,000
Accounts receivable, net	5,004,418	5,082,360
Income tax receivable	255,708	51,070
Deferred tax asset	94,992	88,910
Prepaid expenses and other current assets	326,519	149,724
Total current assets	18,273,461	13,875,801
Deferred royalty buy-down	3,350,000	2,750,000
Deferred tax assets - long term	1,412,784	1,484,141
Patent costs, net	215,999	280,322
Total assets	23,252,244	18,390,264
Current liabilities:
Accounts payable and accrued expenses	634,277	512,866
Deferred revenue	69,130	133,524
Accrued liabilities of discontinued operations	78,138	78,138
Total current liabilities	781,545	724,528
Deferred revenue - license fees	138,260	207,390
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; 6,655,168 and 6,625,168 shares issued at December 31, 2013 and 2012, respectively	6,655	6,625
Additional paid-in capital	20,951,796	20,688,706
Retained earnings (accumulated deficit)	4,975,018	(310,829)
Treasury stock, 300,739 and 260,632 shares at cost as of December 31, 2013 and 2012	(3,601,030)	(2,926,156)
Total stockholders' equity	22,332,439	17,458,346
Total liabilities and stockholders' equity	$ 23,252,244	$ 18,390,264