CONSOLIDATED BALANCE SHEETS - (UNAUDITED) - USD ($) $ in Thousands	Sep. 30, 2016	Dec. 31, 2015
ASSETS
Cash and cash equivalents	$ 38,311	$ 31,994
Restricted cash	1,513	1,511
Accounts receivable, net of allowance of $456 and $261 in 2016 and 2015, respectively	72	369
Income tax receivable	16	4
Inventories, net	10,394	9,199
Prepaid expenses and other current assets	2,919	2,905
Deferred commissions	3,742	3,443
Deferred tax assets, net	27	460
Total current assets	56,994	49,885
Property and equipment, net	3,670	3,848
Construction in progress	926	839
Long-term restricted cash	7,040	6,586
Other assets	4,451	3,759
Long-term deferred tax assets, net	4,708	3,725
Total assets	77,789	68,642
LIABILITIES AND SHAREHOLDERS' EQUITY
Current portion of capital leases	379	447
Accounts payable	5,188	2,683
Accrued expenses	5,112	6,221
Commissions and incentives payable	11,277	6,818
Taxes payable	538	736
Current deferred tax liability	85	84
Current notes payable	805	713
Deferred revenue	9,640	8,677
Total current liabilities	33,024	26,379
Capital leases, excluding current portion	346	612
Long-term deferred tax liabilities	26	24
Long-term notes payable	706	1,069
Other long-term liabilities	1,648	1,994
Total liabilities	35,750	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, 2,764,963 shares issued and 2,686,868 shares outstanding as of September 30, 2016 and 2,773,972 shares issued and 2,682,078 shares outstanding as of December 31, 2015	0	0
Additional paid-in capital	39,164	40,494
Retained earnings	8,798	8,589
Accumulated other comprehensive income	3,597	686
Treasury stock, at average cost, 78,095 shares as of September 30, 2016 and 91,894 shares as of December 31, 2015, respectively	(9,520)	(11,205)
Total shareholders' equity	42,039	38,564
Total liabilities and shareholders' equity	$ 77,789	$ 68,642