Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Current assets:
Cash and cash equivalents	$ 19,456	$ 28,268
Accounts receivable, net of allowances for doubtful accounts and other adjustments of $247 (2020) and $253 (2019)	11,882	10,894
Prepaid expenses and other current assets	591	802
Total current assets	31,929	39,964
Equipment and improvements, net	2,152	2,109
Right-of-use assets	6,349	6,464
Deferred tax assets, net	94	94
Other assets	458	234
Intangible assets, net	15,875	4,535
Goodwill	11,493	7,797
Total assets	68,350	61,197
Current liabilities:
Accounts payable	3,463	2,050
Accrued payroll and benefits	2,285	2,107
Current operating lease liabilities	1,273	1,221
Other accrued liabilities	271	244
Deferred revenue	1,690	98
Total current liabilities	8,982	5,720
Non-current liabilities:
Operating lease liabilities	5,548	5,774
Deferred rent	850	885
Other long term liabilities	117	134
Total non-current liabilities	6,515	6,793
Commitments and contingencies
Stockholders' equity:
Preferred stock, par value $0.001 per share; 5,000,000 shares authorized; 5,500 shares issued (2020 and 2019); 0 shares outstanding (2020 and 2019)
Common stock, par value $0.001 per share; 100,000,000 shares authorized; 40,383,056 and 38,475,084 shares issued and outstanding (2020 and 2019, respectively)	40	38
Additional paid-in capital	276,163	274,041
Accumulated comprehensive deficit	(223,350)	(225,395)
Total stockholders’ equity	52,853	48,684
Total liabilities and stockholders' equity	$ 68,350	$ 61,197