CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Current assets:
Cash and cash equivalents	$ 1,428	$ 1,098
Accounts receivable	1,650	1,689
Prepaid expenses and other current assets	254	261
Deferred tax assets - current	305	305
Total current assets	3,637	3,353
Property and equipment, net	596	615
Deferred tax assets	869	869
Other assets	343	324
Total assets	5,445	5,161
Current liabilities:
Accounts payable and accrued expenses	1,275	1,165
Current portion of capital lease obligations	198	198
Notes payable	19	32
Deferred rent	30	22
Deferred revenue	116	41
Total current liabilities	1,638	1,458
Capital lease obligations, net of current portion	113	162
Total liabilities	1,751	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; 12,535,147 and 12,507,870 shares issued and 12,495,220 and 12,467,943 shares outstanding in 2013 and 2012, respectively	1	1
Additional paid-in capital	115,842	115,773
Accumulated deficit	(111,821)	(111,905)
Common stock in treasury, at cost; 24,371 shares in 2013 and 2012	(328)	(328)
Total stockholders' equity	3,694	3,541
Total liabilities and stockholders' equity	$ 5,445	$ 5,161