Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Current assets:
Cash and cash equivalents	$ 13,290	$ 28,611
Trade accounts receivable, net of allowance for doubtful accounts of $213 and $146, respectively	12,166	5,377
Inventories	4,966	3,676
Prepaid expenses and other current assets	577	342
Total current assets	30,999	38,006
Property and equipment:
Machinery and equipment	5,033	4,383
Leasehold improvements	822	603
Gross property and equipment	5,855	4,986
Less: accumulated depreciation	(4,314)	(4,042)
Net property and equipment	1,541	944
Deferred tax assets		1,110
Goodwill	13,738	1,706
Intangible assets, net	16,014	875
Restricted certificates of deposit	175	175
Other assets	26	28
Total assets	62,493	42,844
Current liabilities:
Accounts payable	2,032	1,368
Accrued wages and benefits	2,781	1,588
Accrued rent	521	572
Accrued professional fees	717	419
Accrued sales commissions	529	287
Customer deposits and deferred revenue	886	74
Domestic and foreign income taxes payable	1,199	575
Earnout payable	5,355
Other current liabilities	399	173
Total current liabilities	14,419	5,056
Federal transition tax payable, net of current portion	436
Deferred tax liabilities	2,606
Contingent consideration liability, net of current portion	5,744
Total liabilities	23,205	5,056
Commitments and Contingencies (Notes 10 and 12)
Stockholders' equity:
Preferred stock, $0.01 par value; 5,000,000 shares authorized; no shares issued or outstanding
Common stock, $0.01 par value; 20,000,000 shares authorized; 10,427,435 and 10,394,018 shares issued, respectively	104	104
Addtional paid-in capital	25,860	25,578
Retained earnings	12,646	11,671
Accumulated other comprehensive earnings	882	639
Treasury stock, at cost; 33,077 and 33,077 shares, respectively	(204)	(204)
Total stockholders' equity	39,288	37,788
Total liabilities and stockholders' equity	$ 62,493	$ 42,844