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CONSOLIDATED BALANCE SHEETS - USD ($)
$ in Thousands
Dec. 31, 2016
Dec. 31, 2015
Current assets:    
Cash and cash equivalents $ 14,456 $ 11,805
Restricted cash 779 839
Trade accounts receivable, net 4,733 2,925
Inventories, net 6,158 5,957
Prepaid expenses and other current assets 413 516
Total current assets 26,539 22,042
Property and equipment, net 6,449 6,810
Brand name and trademark 1,510 1,510
Purchased technology and license rights, net 215 323
Goodwill 185 185
Deposits 109 123
Deferred tax asset 0 25
Other assets 103 430
Total assets 35,110 31,448
Current liabilities:    
Accounts payable 1,606 1,214
Accrued payroll 419 321
Accrued vacation 404 228
Current portion of mortgage note payable 239 239
Accrued and other liabilities 2,604 2,119
Total current liabilities 5,272 4,121
Mortgage note payable, net of current portion 2,694 2,934
Note payable 140 140
Deferred rents 14 18
Deferred tax liability 564 564
Derivative liabilities 203 267
Total liabilities 8,887 8,044
Commitments and Contingencies (see Notes 9 and 11)
Series A 6% convertible preferred stock, par value $0.001; 3,500,000 shares authorized, zero issued and outstanding as of December 31, 2016 and December 31, 2015 0 0
STOCKHOLDERS' EQUITY    
Series B convertible preferred stock, $0.001 par value; 3,588,139 authorized and 975,639 issued and outstanding as of December 31, 2016 and 3,588,139 authorized and 1,975,639 issued and outstanding as of December 31, 2015, respectively 1 2
Common stock, $0.001 par value; 40,000,000 shares authorized; 31,002,832 issued and 30,859,753 outstanding as of December 31, 2016 and 27,194,251 issued and 27,051,172 outstanding as of December 31, 2015, respectively 31 27
Additional paid-in capital 49,625 42,859
Accumulated deficit (23,434) (19,484)
Total stockholders' equity 26,223 23,404
Total liabilities and stockholders' equity $ 35,110 $ 31,448