Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018
Current assets:
Cash and cash equivalents	$ 7,378	$ 12,159
Accounts receivable, net of allowances for doubtful accounts and other adjustments of $126 (2019) and $135 (2018)	8,951	7,130
Prepaid expenses and other current assets	565	795
Total current assets	16,894	20,084
Equipment and improvements, net	852	865
Right-of-use assets	2,419
Deferred tax assets, net	191	191
Other assets	175	140
Intangible assets, net	5,270	238
Goodwill	7,797	3,685
Total assets	33,598	25,203
Current liabilities:
Accounts payable	1,249	1,160
Accrued payroll and benefits	2,121	1,745
Current operating lease liabilities	987
Other accrued liabilities	330	450
Deferred revenue	234	28
Total current liabilities	4,921	3,383
Non-current liabilities:
Operating lease liabilities	1,876
Deferred rent	578	723
Other long term liabilities	185	534
Total non-current liabilities	2,639	1,257
Commitments and contingencies
Stockholders' equity:
Preferred stock, par value $0.001 per share; 5,000,000 shares authorized; 5,500 shares issued (2019 and 2018); 1,345 shares outstanding (2019 and 2018)
Common stock, par value $0.001 per share; 100,000,000 shares authorized; 32,064,848 and 28,241,129 shares issued and outstanding (2019 and 2018, respectively)	32	28
Additional paid-in capital	261,990	256,626
Accumulated comprehensive deficit	(235,984)	(236,091)
Total stockholders’ equity	26,038	20,563
Total liabilities and stockholders' equity	$ 33,598	$ 25,203