Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2018	Dec. 31, 2017
Current assets:
Cash and cash equivalents	$ 3,654	$ 2,205
Accounts receivable, net of allowances for doubtful accounts and other adjustments of $199 (2018) and $221 (2017)	5,355	5,145
Prepaid expenses and other current assets	468	576
Total current assets	9,477	7,926
Equipment and improvements, net	1,102	1,229
Deferred tax assets, net	404	404
Other assets	148	146
Intangible assets, net	423	487
Goodwill	3,685	3,685
Total assets	15,239	13,877
Current liabilities:
Accounts payable	1,298	1,333
Accrued payroll and benefits	2,114	1,994
Related-party notes payable		1,000
Other accrued liabilities	428	416
Deferred revenue	183	73
Total current liabilities	4,023	4,816
Non-current liabilities:
Related-party notes payable, net of discount & issuance costs of $0 (2018) and $0 (2017)	1,200	1,200
Notes payable, net of discount & issuance costs of $377 (2018) and $442 (2017)	1,623	1,558
Warrant liability	3,047
Deferred rent	908	970
Other long term liabilities	708	766
Total non-current liabilities	7,486	4,494
Commitments and contingencies
Stockholders' equity:
Preferred stock, par value $0.001 per share; 5,000,000 shares authorized; 5,500 shares issued and outstanding at March 31, 2018 and December 31, 2017
Common stock, par value $0.001 per share; 100,000,000 shares authorized; 18,237,167 and 14,268,765 shares issued and outstanding at March 31, 2018 and December 31, 2017, respectively	18	14
Additional paid-in capital	239,179	237,486
Accumulated comprehensive deficit	(235,467)	(232,933)
Total stockholders’ equity	3,730	4,567
Total liabilities and stockholders' equity	$ 15,239	$ 13,877