Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2018	Dec. 31, 2017
Current assets:
Cash and cash equivalents	$ 8,387	$ 2,205
Accounts receivable, net of allowances for doubtful accounts and other adjustments of $161 (2018) and $221 (2017)	6,328	5,145
Prepaid expenses and other current assets	745	576
Total current assets	15,460	7,926
Equipment and improvements, net	940	1,229
Deferred tax assets, net	404	404
Other assets	140	146
Intangible assets, net	297	487
Goodwill	3,685	3,685
Total assets	20,926	13,877
Current liabilities:
Accounts payable	1,139	1,333
Accrued payroll and benefits	1,843	1,994
Related-party notes payable		1,000
Other accrued liabilities	438	416
Deferred revenue	120	73
Total current liabilities	3,540	4,816
Non-current liabilities:
Related-party notes payable	1,200	1,200
Notes payable, net of discount & issuance costs of $245 (2018) and $442 (2017)	1,755	1,558
Warrant liability	9,918
Deferred rent	784	970
Other long term liabilities	591	766
Total non-current liabilities	14,248	4,494
Commitments and contingencies
Stockholders' equity:
Preferred stock, par value $0.001 per share; 5,000,000 shares authorized; 5,500 shares issued (2018 and 2017); 1,370 and 5,500 shares outstanding (2018 and 2017, respectively)
Common stock, par value $0.001 per share; 100,000,000 shares authorized; 25,005,199 and 14,268,765 shares issued and outstanding (2018 and 2017, respectively)	25	14
Additional paid-in capital	241,970	237,486
Accumulated comprehensive deficit	(238,857)	(232,933)
Total stockholders’ equity	3,138	4,567
Total liabilities and stockholders' equity	$ 20,926	$ 13,877