CONSOLIDATED BALANCE SHEETS - (UNAUDITED) - USD ($) $ in Thousands	Mar. 31, 2017	Dec. 31, 2016
ASSETS
Cash and cash equivalents	$ 29,447	$ 28,687
Restricted cash	1,511	1,510
Accounts receivable, net of allowance of $486 and $463 in 2017 and 2016, respectively	178	298
Income tax receivable	163	1,587
Inventories, net	13,416	11,961
Prepaid expenses and other current assets	3,625	3,483
Deferred commissions	3,214	3,229
Total current assets	51,554	50,755
Property and equipment, net	3,631	3,611
Construction in progress	1,050	1,012
Long-term restricted cash	6,936	6,429
Other assets	3,914	4,013
Long-term deferred tax assets, net	5,603	5,368
Total assets	72,688	71,188
LIABILITIES AND SHAREHOLDERS’ EQUITY
Current portion of capital leases	367	357
Accounts payable	5,912	5,223
Accrued expenses	4,991	5,605
Commissions and incentives payable	9,116	8,799
Taxes payable	711	1,040
Current notes payable	999	801
Deferred revenue	8,355	8,156
Total current liabilities	30,451	29,981
Capital leases, excluding current portion	276	261
Long-term deferred tax liabilities	30	29
Long-term notes payable	427	567
Other long-term liabilities	1,448	1,465
Total liabilities	32,632	32,303
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 2,710,858 shares outstanding as of March 31, 2017 and 2,758,275 shares issued and 2,688,790 shares outstanding as of December 31, 2016	0	0
Additional paid-in capital	35,873	38,190
Retained earnings	5,747	7,331
Accumulated other comprehensive income	4,213	1,834
Treasury stock, at average cost, 47,417 shares as of March 31, 2017 and 69,485 shares as of December 31, 2016, respectively	(5,777)	(8,470)
Total shareholders’ equity	40,056	38,885
Total liabilities and shareholders’ equity	$ 72,688	$ 71,188