CONDENSED BALANCE SHEETS (Unaudited) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013	Dec. 31, 2012
Current assets:
Cash and cash equivalents	$ 1,579	$ 1,098
Accounts receivable	1,492	1,689
Prepaid expenses and other current assets	477	261
Deferred tax assets - current	305	305
Total current assets	3,853	3,353
Property and equipment, net	674	615
Deferred tax assets	869	869
Other assets	286	324
Total assets	5,682	5,161
Current liabilities:
Accounts payable and accrued expenses	1,421	1,165
Current portion of capital lease obligations	212	198
Notes payable	0	32
Deferred rent	23	22
Deferred revenue	0	41
Total current liabilities	1,656	1,458
Capital lease obligations, net of current portion	49	162
Total liabilities	1,705	1,620
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; 12,660,644 and 12,507,870 shares issued and 12,620,717 and 12,467,943 shares outstanding in 2013 and 2012, respectively	1	1
Additional paid-in capital	115,926	115,773
Accumulated deficit	(111,622)	(111,905)
Common stock in treasury, at cost; 24,371 shares in 2013 and 2012	(328)	(328)
Total stockholders' equity	3,977	3,541
Total liabilities and stockholders' equity	$ 5,682	$ 5,161