CONDENSED BALANCE SHEETS (Unaudited) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014
Current assets:
Cash and cash equivalents	$ 1,343	$ 871
Accounts receivable	1,921	2,407
Prepaid expenses and other current assets	413	383
Deferred tax assets - current	234	234
Total current assets	3,911	3,895
Property and equipment, net	977	1,020
Deferred tax assets	961	961
Other assets	231	244
Total assets	6,080	6,120
Current liabilities:
Accounts payable and accrued expenses	1,553	1,789
Current portion of capital lease obligations	29	27
Deferred rent	43	44
Deferred revenue	21	52
Total current liabilities	1,646	1,912
Capital lease obligations, net of current portion	2	9
Total liabilities	1,648	1,921
Commitments and contingencies
Stockholders' equity:
Preferred stock, $0.0001 par value; 2,000,000 shares authorized; none issued or outstanding	0	0
Common stock, $0.0001 par value; 50,000,000 shares authorized; 12,898,488 and 12,759,870 shares issued and 12,858,561 and 12,719,943 shares outstanding in 2015 and 2014, respectively	1	1
Additional paid-in capital	116,314	116,161
Accumulated deficit	(111,555)	(111,635)
Common stock in treasury, at cost; 24,371 shares in 2015 and 2014	(328)	(328)
Total stockholders' equity	4,432	4,199
Total liabilities and stockholders' equity	$ 6,080	$ 6,120