Condensed Consolidated Balance Sheets (Current Period Unaudited) - USD ($) $ in Thousands	Jun. 30, 2026	Dec. 31, 2025
Current assets:
Cash and cash equivalents	$ 29,917	$ 22,788
Trade accounts receivable, net	12,194	7,221
Inventories, net	15,087	15,862
Prepaid expenses and other current assets	3,292	3,099
Total current assets	60,490	48,970
Property, plant and equipment, net	4,082	4,170
Operating lease right-of-use (ROU) assets	1,237	1,502
Deferred tax assets, net	4,512	5,230
Capitalized software and systems integration costs, net	2,777	3,417
Other assets	582	471
Total assets	73,680	63,760
Current liabilities:
Accounts payable	7,984	4,781
Accrued compensation and related taxes	1,935	2,423
Accrued warranty expense	673	760
Accrued other expenses and other current liabilities	416	335
Short-term operating lease liabilities	626	610
Deferred revenue	2,765	2,728
Total current liabilities	14,399	11,637
Long-term operating lease liabilities	670	965
Deferred revenue, net of current portion	6,661	6,460
Total liabilities	21,730	19,062
Commitments and contingencies (Note 7)
Stockholders’ equity:
Preferred stock; $1.00 par value; 1,000,000 authorized shares; none issued or outstanding	0	0
Common stock; $0.60 par value; 10,000,000 authorized shares; 4,125,236 and 4,092,056 issued, and 3,768,151 and 3,733,733 outstanding shares as of June 30, 2026 and December 31, 2025, respectively	2,475	2,455
Additional paid-in capital	53,238	51,803
Retained earnings (accumulated deficit)	3,616	(2,314)
Treasury stock, at cost, 357,085 shares as of June 30, 2026, and 358,323 shares as of December 31, 2025	(7,379)	(7,246)
Total stockholders’ equity	51,950	44,698
Total liabilities and stockholders’ equity	$ 73,680	$ 63,760

Amount of capitalized software and systems integration costs.

No definition available.

Name:	bkti_CapitalizedSoftwareAndSystemsIntegrationCosts
Namespace Prefix:	bkti_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).