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Balance Sheets - USD ($)
$ in Thousands
Dec. 31, 2020
Dec. 31, 2019
Current assets:    
Cash and cash equivalents $ 38,173 $ 13,197
Short-term investments   21,686
Trade accounts receivable 4,782 7,656
Inventory 1,016 1,193
Prepaid expenses and other current assets 1,462 1,361
Total current assets 45,433 45,093
Property and equipment, net 2,377 2,126
Goodwill 3,700 3,700
Customer relationships, net 2,627 3,110
Intangible assets, net 541 687
Other assets 249 10
Total assets 54,927 54,726
Current liabilities:    
Accounts payable 2,975 3,838
Accrued compensation 2,655 2,492
Accrued liabilities and other 1,187 344
Current portion of deferred rent obligation under operating lease 39 85
Total current liabilities 6,856 6,759
Deferred tax liability 58 52
Deferred rent obligation under operating lease 271 11
Total liabilities 7,185 6,822
Commitments and contingencies (note 11)
Stockholders' equity:    
Common stock and additional paid-in capital, par value $0.0001, 200,000 shares authorized; 10,318 shares issued and 9,784 shares outstanding at December 31, 2020; and 10,146 shares issued and 9,681 shares outstanding at December 31, 2019 100,356 96,623
Treasury stock, at cost; 534 shares and 465 shares at December 31, 2020 and 2019, respectively (5,267) (4,659)
Accumulated other comprehensive income   8
Accumulated deficit (47,347) (44,068)
Total stockholders' equity 47,742 47,904
Total liabilities and stockholders' equity $ 54,927 $ 54,726