CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
ASSETS
Cash and cash equivalents	$ 28,687	$ 31,994
Restricted cash	1,510	1,511
Accounts receivable, net of allowance of $463 and $261 in 2016 and 2015, respectively	298	369
Income tax receivable	1,587	4
Inventories, net	11,961	9,199
Prepaid expenses and other current assets	3,483	2,905
Deferred commissions	3,229	3,443
Deferred tax assets, net	7	460
Total current assets	50,762	49,885
Property and equipment, net	3,611	3,848
Construction in progress	1,012	839
Long-term restricted cash	6,429	6,586
Other assets	4,013	3,759
Long-term deferred tax assets, net	5,361	3,725
Total assets	71,188	68,642
LIABILITIES AND SHAREHOLDERS’ EQUITY
Current portion of capital leases	357	447
Accounts payable	5,223	2,683
Accrued expenses	5,605	6,221
Commissions and incentives payable	8,799	6,818
Taxes payable	1,040	736
Current deferred tax liability	0	84
Current notes payable	801	713
Deferred revenue	8,156	8,677
Total current liabilities	29,981	26,379
Capital leases, excluding current portion	261	612
Long-term deferred tax liabilities	29	24
Long-term notes payable	567	1,069
Other long-term liabilities	1,465	1,994
Total liabilities	32,303	30,078
Commitments and contingencies
Shareholders’ equity:
Preferred stock, $0.01 par value, 1,000,000 shares authorized, no shares issued or outstanding	0	0
Common stock, $0.0001 par value, 99,000,000 shares authorized, 2,758,275 shares issued and 2,688,790 shares outstanding as of December 31, 2016 and 2,773,972 shares issued and 2,682,078 shares outstanding as of December 31, 2015	0	0
Additional paid-in capital	38,190	40,494
Retained earnings	7,331	8,589
Accumulated other comprehensive income	1,834	686
Treasury stock, at average cost, 69,485 shares as of December 31, 2016 and 91,894 shares as of December 31, 2015, respectively	(8,470)	(11,205)
Total shareholders’ equity	38,885	38,564
Total liabilities and shareholders’ equity	$ 71,188	$ 68,642